Vista, CA Climate: Temperature & Rain by Month
Temperature and precipitation from NOAA NCEI 1991–2020 normals →, plus PlainClimate's derived comfort score
30-year climate normals (1991-2020) from Vista's primary NOAA station, VISTA.
The climate verdict for Vista
Dryness leads the climate profile for Vista, California, with 13.4 inches of precipitation a year. NOAA records an annual average of 63°F. August is the warmest month at 72°F and December the coldest at 55°F.
- 63°F
- average temperature, NOAA 1991-2020 normal
- 13.4"
- annual precipitation
Vista: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00049378 · Vista, CA 63°F mean · 13.4" precip
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-DRY · SWING-NARROW · COMF-UNK · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-MILD 63°F
- RANK-UPPER #5,626
- PHOTO-FINISH ≈ San Diego Brown…
- PRCP-DRY 13.4"
- SWING-NARROW 17°F
- COMF-UNK Comfort n/a
- LOAD-HEAT 1,593 HDD
- STN-1 USC00049378
- BOOK-FULL 5/6 fields
Nearest mean-temperature peer: San Diego Brown Fld, CA ( -0.1 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every CA station list.
- Hot Rancho Bernardo, CA 64°F
- Vista (this station) 63°F
- Near San Diego Brown…, CA 63°F
- Near Camarillo, CA 63°F
- Cold Camp Pendleton…, CA 62°F
Climate Living Index · Vista
Vista: 76/100 · grade B
Vista publishes 3 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 3 missing weights rescale to 100.
PlainClimate-derived for Vista, not an official NOAA rating. Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Normal heat + freeze calendar | 0 calendar days | 100/100 · A |
| Annual temperature balance | 62.7°F · 4.8° from 67.5°F | 85/100 · A |
| Precipitation balance | 13.4 in · 21.6 from 35 in | 23/100 · F |
Vista · 2026-08-04 · NOAA NCEI Climate Normals · method .
Vista's normals sit in a dry climate class: BSk
Precipitation is low relative to temperature but above true desert thresholds: cold semi-arid steppe (BSk). Class BSk is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: dry (arid or semi-arid), specifically cold semi-arid steppe.
- Köppen code
- BSk
- Group
- Dry (arid or semi-arid)
- Warmest month
- 71.9°F
- Coldest month
- 54.9°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · heating-led station
Where Vista sits across the climate record
Three NOAA fields for Vista's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Top 18% warmest
- Among 6,861 stations, Vista sits in the warmer third of annual means.
- Annual precipitation
- Drier than 86%
- Vista's annual total ranks in the drier third of 6,352 measured normals.
- Seasonal temperature swing
- Narrower than 98%
- Warmest-to-coldest month gap for Vista is compact versus 6,861 complete station-years.
Vista's measured station temperature trend
MethodologyAcross 35 complete annual observations from 1969 to 2025, VISTA warmed at a fitted rate of 0.28°C per decade. The line shows the fitted change relative to its first year, not raw year-to-year temperatures or a forecast.
- Vista primary station fitted change +0.28 °C/decade
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 66°F (19°C) | 46°F (8°C) | 56°F (13°C) | 2.9" | 0.5 | 0.1 |
| February | 65°F (19°C) | 46°F (8°C) | 56°F (13°C) | 3.1" | 0.2 | 0.1 |
| March | 67°F (19°C) | 48°F (9°C) | 58°F (14°C) | 2.1" | 0.2 | 0.2 |
| April | 69°F (21°C) | 50°F (10°C) | 60°F (16°C) | 1.0" | 0.1 | 0.7 |
| May | 71°F (22°C) | 55°F (13°C) | 63°F (17°C) | 0.3" | 0.0 | 1.0 |
| June | 75°F (24°C) | 59°F (15°C) | 67°F (19°C) | 0.1" | 0.0 | 0.8 |
| July | 79°F (26°C) | 62°F (17°C) | 71°F (21°C) | 0.1" | 0.0 | 1.9 |
| August | 81°F (27°C) | 63°F (17°C) | 72°F (22°C) | 0.0" | 0.0 | 4.5 |
| September | 81°F (27°C) | 61°F (16°C) | 71°F (22°C) | 0.2" | 0.0 | 4.9 |
| October | 76°F (24°C) | 56°F (13°C) | 66°F (19°C) | 0.6" | 0.0 | 3.6 |
| November | 71°F (22°C) | 50°F (10°C) | 60°F (16°C) | 1.1" | 0.0 | 0.9 |
| December | 65°F (18°C) | 45°F (7°C) | 55°F (13°C) | 1.9" | 0.2 | 0.0 |
The year, day by day
The calendar barely moves in Vista: no date carries a normal high of 90°F or a normal low at freezing. The year runs between 45°F near December 15 and 82°F near August 30.
No freezing date
Not one calendar date in the 1991–2020 record carries a normal low at or below 32°F. The coldest normal low of the year is 45°F around December 15.
Where the wet dates fall
The likeliest wet date is February 20, when 28% of years recorded at least a hundredth of an inch. The driest is August 19 at 1%. Summed across the calendar, that is about 44 wet dates a year.
The widest day
November 11 carries the biggest normal gap between afternoon and dawn, 22°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Vista.
Where Vista Stands Nationally
A drier-than-most normal water year — around 13 inches, below what four out of five ranked stations collect.
Days and nights track unusually close together; the widest normal swing, about 22°F, is narrower than most stations record.
Vista earns 2 nationally notable standings (outer quintiles) against 6,860 NOAA 1991–2020 normals stations; only those extremes render.
Monthly Precipitation
Average monthly rainfall
7.0 days with precipitation
7.9 days with precipitation
6.0 days with precipitation
4.1 days with precipitation
3.1 days with precipitation
1.0 days with precipitation
0.8 days with precipitation
0.4 days with precipitation
0.7 days with precipitation
2.1 days with precipitation
4.3 days with precipitation
6.2 days with precipitation
Vista's wet season runs through the cold months
December, January and February carry 59% of the year's precipitation here, while June through August contribute 2%. That is the cool-season-dominant pattern of the West Coast and the higher inland West, where storm tracks swing south in winter and summer turns dry; the thermometer meanwhile shows an unusually narrow 17°F seasonal spread.
- Wettest month
- February, 3.1"
- Driest month
- August, 0.0"
- Wettest three months
- February, January, March (60% of the year)
Shares are computed from this station's own 1991-2020 monthly precipitation normals. A cool-season label means the December-February share reaches 35%. Where snow falls, the monthly figures above report liquid-equivalent precipitation, so a wet winter month is not necessarily a rainy one.
How Vista's precipitation splits across the calendar
About 44 days a year record measurable precipitation here, carrying 13.4" between them, or roughly 0.31 inches on a typical wet day. That sits in the middle band: neither the many-light-days pattern of the Pacific Northwest and the Great Lakes, nor the few-heavy-events pattern of the Gulf and the desert Southwest.
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year and say nothing about the heaviest single storm on record.
Frost Dates & Growing Season
First Fall Freeze
January 7
50% probability date
Last Spring Freeze
January 30
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,593
Higher = more heating needed
Cooling Degree Days
786
Higher = more cooling needed
Warmest Month
August
Coldest Month
December
Nationwide similar cities
Other rankable U.S. places outside CA closest to Vista on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (63°F here).
- Chesterfield, SC 63°F · 0.0°F off
- Des Arc, AR 63°F · 0.0°F off
- Dillon, SC 63°F · 0.0°F off
- Georgetown, GA 63°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (13.4" here), excluding temperature-peer places.
- Monahans, TX 13.4" · 0.0" off
- Nunn, CO 13.4" · 0.0" off
- La Junta, CO 13.4" · 0.0" off
- Saco, MT 13.4" · 0.0" off
Scarce-water calendar
Where Vista's limited precipitation lands
heating led · dry · low swing
Heating is the larger measured load in Vista, at 1,593 degree days versus 786 for cooling. Unlike a strongly continental record, however, its 17.0°F month-to-month range is compact; persistent cool-season demand matters more than a dramatic summer-to-winter reversal.
A frost-free growing-season length is not available for Vista. That missing field is kept separate from the observed temperature and precipitation record rather than filled from a regional estimate.
The calendar stays thermally compact and dry. August and December mark the typical warm and cold ends of the calendar, only 17.0°F apart, while the annual precipitation total remains below PlainClimate's dry threshold. The annual average is 63°F. The monthly rows show whether that limited precipitation is spread through the year or concentrated in a shorter interval.
Vista's cold-season load does not imply a wet climate. Annual precipitation is 13.4 inches, which places the station in PlainClimate's dry range. Snowfall is not added to the interpretation because its annual value is missing. The snowfall and rainfall fields should be read separately rather than inferred from temperature.
Vista wettest normal
February
February concentrates the scarce annual total (13.4 inches).
Vista driest normal
August
August is typically driest; arid stations are defined by when water is absent, not by a four-season grid.
Questions about Vista's climate
How dry is Vista? ▼
How much energy does heating and cooling require in Vista? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Vista's primary station: VISTA (USC00049378). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The 2024 Census Gazetteer identifies the exact name-and-state match as an incorporated place (GEOID 0682996). Match rule for Vista: exact normalized name + state only, no fuzzy expansion, so nearby differently spelled facilities stay unmatched.
On this page every temperature, precipitation, and derived score for Vista comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.