Woodside, California climate: Normal weather by month, frost dates and records
Woodside's normal year runs from 37°F December nights to 89°F August afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 15.6°C, December lows of 3°C, August highs of 32°C.
- NOAA stationWoodside Fire Station 1
- Station IDUSC00049792
- Location37.43°N 122.26°W
- Elevation380 ft (116 m)
- From the centerunder 1 mile
- Population5,123
On October 14, the normal high in Woodside is 81°F and the normal low 47°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Woodside.
- Jan 61° 38°
- Feb 64° 40°
- Mar 69° 41°
- Apr 73° 43°
- May 78° 47°
- Jun 84° 50°
- Jul 88° 53°
- Aug 89° 53°
- Sep 87° 51°
- Oct 80° 46°
- Nov 68° 41°
- Dec 61° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Woodside each month?
August is the warmest month, with normal highs of 89°F; December the coldest, with normal lows of 37°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 61°F | 38°F | 49.5°F | – | <1 | 8 | 9 h 50 min |
| February | 64°F | 40°F | 52.2°F | – | <1 | 4 | 10 h 50 min |
| March | 69°F | 41°F | 54.9°F | – | <1 | 1 | 11 h 50 min |
| April | 73°F | 43°F | 58.0°F | – | 2 | <1 | 13 h 10 min |
| May | 78°F | 47°F | 62.5°F | – | 4 | <1 | 14 h 10 min |
| June | 84°F | 50°F | 67.1°F | – | 8 | <1 | 14 h 40 min |
| July | 88°F | 53°F | 70.5°F | – | 12 | <1 | 14 h 30 min |
| August | 89°F | 53°F | 70.6°F | – | 14 | <1 | 13 h 40 min |
| September | 87°F | 51°F | 69.0°F | – | 11 | <1 | 12 h 30 min |
| October | 80°F | 46°F | 63.2°F | – | 5 | <1 | 11 h 20 min |
| November | 68°F | 41°F | 54.4°F | – | <1 | 3 | 10 h 10 min |
| December | 61°F | 37°F | 49.0°F | – | <1 | 10 | 9 h 40 min |
| Year (annual) | 75°F | 45°F | 60.1°F | – | 55 | 26 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 16°C | 3°C | 9.7°C |
| February | 18°C | 4°C | 11.2°C |
| March | 20°C | 5°C | 12.7°C |
| April | 23°C | 6°C | 14.4°C |
| May | 26°C | 8°C | 16.9°C |
| June | 29°C | 10°C | 19.5°C |
| July | 31°C | 12°C | 21.4°C |
| August | 32°C | 11°C | 21.4°C |
| September | 31°C | 10°C | 20.6°C |
| October | 27°C | 8°C | 17.3°C |
| November | 20°C | 5°C | 12.4°C |
| December | 16°C | 3°C | 9.4°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Redwood City (3 miles away), gets 0 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00049792; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Woodside?
Normal highs sit between 65°F and 85°F in March, April, May, June, October and November.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00049792.
When is the last frost in Woodside?
In Woodside, the last spring frost (32°F) comes after February 25 in half of years and after April 11 in one year in ten; the first autumn frost comes before November 25 in half of years and before November 3 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- February 251 year in 10 after April 11; 9 in 10 after January 14
- First autumn frost, half of years before
- November 251 year in 10 before November 3; 9 in 10 before December 19
NOAA puts the median frost-free season at 274 days, and the season without a hard freeze (28°F) at 336 days.
A hard freeze (28°F) comes after January 13 in half of springs and before December 12 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Woodside in zone 10a in ZIP code 94062.
Frost dates for every NOAA station in California · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00049792; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Woodside?
In a normal year in Woodside, 55 days a year reach 90°F (11 of them 100°F or more) and 26 nights fall to 32°F or colder.
- Days at 90°F or more
- 55a normal year
- Days at 100°F or more
- 11a normal year
- Nights at 32°F or colder
- 26a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00049792.
How sunny is Woodside?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Woodside, 4.7 kWh per square metre a day. June is the sunniest month (84%) and December the cloudiest (74%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 76% | 2.5 |
| February | 77% | 3.4 |
| March | 79% | 4.6 |
| April | 82% | 6.0 |
| May | 81% | 6.7 |
| June | 84% | 7.3 |
| July | 78% | 6.5 |
| August | 77% | 5.8 |
| September | 82% | 5.1 |
| October | 83% | 4.0 |
| November | 81% | 2.8 |
| December | 74% | 2.1 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Woodside need?
A normal year in Woodside brings 2,472 heating degree days, 54% fewer than the median U.S. place (5,373), and 690 cooling degree days, 24% fewer than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,885 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 481 | 0 |
| February | 360 | 0 |
| March | 314 | 2 |
| April | 219 | 11 |
| May | 120 | 41 |
| June | 38 | 101 |
| July | 5 | 175 |
| August | 4 | 179 |
| September | 17 | 136 |
| October | 99 | 45 |
| November | 319 | 1 |
| December | 498 | 0 |
| Year (annual) | 2,472 | 690 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00049792. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Woodside's climate compare?
Woodside is warmer than 96 of the other 218 places with their own NOAA record in California. Across the 7,247 U.S. stations with normals, its annual mean of 60.1°F is warmer than 75%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Woodside share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- West Menlo Park, CA3,382 people · 3 mi E
- Ladera, CA1,160 people · 4 mi SE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Woodside's climate
What is the coldest month in Woodside?
December, with a normal high of 61°F and a normal low of 37°F. The warmest is August (89°F by day, 53°F at night).
Does it snow in Woodside?
Rarely. NOAA publishes no 1991-2020 snowfall normal for Woodside's NOAA station; the nearest record that keeps one, Redwood City (3 miles away), records 0 inches of snow in a normal year.
What plant hardiness zone is Woodside in?
The USDA's 2023 map puts Woodside in zone 10a in ZIP code 94062.
How late can frost come in Woodside?
In half of years the last 32°F night comes after February 25; in one year in ten it comes after April 11. Waiting until April 11 leaves about a one-in-ten chance of a later frost.
Nearby and next
- California climateThe statewide normals and every place in the state
- Redwood City, CA4 miles from this station, 59.4°F a year
- Palo Alto, CA6 miles from this station, 58.5°F a year
- Skyline Ridge Preserve, CA9 miles from this station, 57.1°F a year
- San Gregorio (2 mi SE), CA10 miles from this station, 54.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made