Marysvale, Utah climate: Normal weather by month, frost dates and records
Marysvale's normal year runs from 16°F December nights to 90°F July afternoons, with 8.2 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.6°C, December lows of −9°C, July highs of 32°C, 208 mm of precipitation a year.
- NOAA stationMarysvale
- Station IDUSC00425477
- Location38.45°N 112.22°W
- Elevation5,845 ft (1,782 m)
- Population473
On October 23, the normal high in Marysvale is 64°F and the normal low 30°F, and the chance of measurable rain or snow is 14%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Marysvale.
- Jan 43° 16°
- Feb 48° 20°
- Mar 57° 26°
- Apr 63° 32°
- May 73° 38°
- Jun 84° 46°
- Jul 90° 52°
- Aug 87° 51°
- Sep 80° 42°
- Oct 67° 32°
- Nov 54° 23°
- Dec 42° 16°
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 Marysvale each month?
July is the warmest month, with normal highs of 90°F; December the coldest, with normal lows of 16°F. The most precipitation falls in August (0.91 in), the least in June (0.37 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 43°F | 16°F | 29.4°F | 0.66 | 5 | <1 | 29 | 9 h 50 min |
| February | 48°F | 20°F | 33.9°F | 0.59 | 6 | <1 | 25 | 10 h 40 min |
| March | 57°F | 26°F | 41.4°F | 0.68 | 6 | <1 | 25 | 11 h 50 min |
| April | 63°F | 32°F | 47.5°F | 0.59 | 6 | <1 | 17 | 13 h 10 min |
| May | 73°F | 38°F | 55.6°F | 0.78 | 5 | 1 | 6 | 14 h 10 min |
| June | 84°F | 46°F | 64.9°F | 0.37 | 3 | 7 | 1 | 14 h 50 min |
| July | 90°F | 52°F | 70.9°F | 0.86 | 6 | 17 | <1 | 14 h 40 min |
| August | 87°F | 51°F | 68.9°F | 0.91 | 7 | 12 | <1 | 13 h 40 min |
| September | 80°F | 42°F | 60.9°F | 0.84 | 5 | 1 | 4 | 12 h 30 min |
| October | 67°F | 32°F | 49.2°F | 0.86 | 5 | <1 | 19 | 11 h 20 min |
| November | 54°F | 23°F | 38.4°F | 0.59 | 4 | <1 | 26 | 10 h 10 min |
| December | 42°F | 16°F | 28.8°F | 0.47 | 4 | <1 | 29 | 9 h 30 min |
| Year (annual) | 66°F | 33°F | 49.2°F | 8.20 | 60 | 37 | 182 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 6°C | −9°C | −1.4°C | 17 mm |
| February | 9°C | −6°C | 1.1°C | 15 mm |
| March | 14°C | −3°C | 5.2°C | 17 mm |
| April | 17°C | 0°C | 8.6°C | 15 mm |
| May | 23°C | 3°C | 13.1°C | 20 mm |
| June | 29°C | 8°C | 18.3°C | 9 mm |
| July | 32°C | 11°C | 21.6°C | 22 mm |
| August | 31°C | 10°C | 20.5°C | 23 mm |
| September | 27°C | 5°C | 16.1°C | 21 mm |
| October | 19°C | 0°C | 9.6°C | 22 mm |
| November | 12°C | −5°C | 3.6°C | 15 mm |
| December | 6°C | −9°C | −1.8°C | 12 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Fremont Indian State Park (11 miles away), gets 45 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00425477; 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 Marysvale?
Normal highs sit between 65°F and 85°F in May, June, September and October. Of those, June has the fewest days with rain (3).
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 USC00425477.
When is the last frost in Marysvale?
In Marysvale, the last spring frost (32°F) comes after May 24 in half of years and after June 10 in one year in ten; the first autumn frost comes before September 25 in half of years and before September 11 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
- May 241 year in 10 after June 10; 9 in 10 after May 6
- First autumn frost, half of years before
- September 251 year in 10 before September 11; 9 in 10 before October 6
NOAA puts the median frost-free season at 123 days, and the season without a hard freeze (28°F) at 148 days.
A hard freeze (28°F) comes after May 8 in half of springs and before October 3 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Marysvale in zone 6a in ZIP code 84750. By the map's own method, the average of each year's coldest night over 1991-2020, Marysvale's NOAA station is in zone 6a: the coldest night of a typical year reaches −9°F (20 complete years).
Frost dates for every NOAA station in Utah · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00425477; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 Marysvale?
In a normal year in Marysvale, 37 days a year reach 90°F, 182 nights fall to 32°F or colder and 60 days bring measurable precipitation.
- Days at 90°F or more
- 37a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 182a normal year
- Days that stay below freezing
- 12high of 32°F or less
- Days with 0.01 inch of precipitation
- 60a normal year
The highest temperature in this station's record (since 1913) is 102°F, on July 13, 2002; the lowest is −35°F, on December 22, 1990.
The wettest calendar year on that record is 1957, with 15.48 in; the snowiest season is 1956–57, with 65.7 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00425477; records: ACIS (NOAA Regional Climate Centers), station USC00425477. Records use complete months only; a month missing more than three days is left out.
How sunny is Marysvale?
Over a year 83% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Marysvale, 5.1 kWh per square metre a day. June is the sunniest month (90%) and December the cloudiest (74%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 78% | 2.7 |
| February | 77% | 3.6 |
| March | 78% | 4.9 |
| April | 79% | 6.1 |
| May | 83% | 7.2 |
| June | 90% | 8.1 |
| July | 83% | 7.1 |
| August | 85% | 6.5 |
| September | 88% | 5.7 |
| October | 85% | 4.3 |
| November | 80% | 3.0 |
| December | 74% | 2.3 |
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 Marysvale need?
A normal year in Marysvale brings 6,171 heating degree days, 15% more than the median U.S. place (5,373), and 423 cooling degree days, 53% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,363 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,105 | 0 |
| February | 869 | 0 |
| March | 733 | 0 |
| April | 524 | 0 |
| May | 297 | 7 |
| June | 77 | 74 |
| July | 4 | 186 |
| August | 10 | 132 |
| September | 146 | 23 |
| October | 489 | 0 |
| November | 797 | 0 |
| December | 1,121 | 0 |
| Year (annual) | 6,171 | 423 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00425477. 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.
Has Marysvale been warmer than normal lately?
2022 averaged 46.7°F, 2.5°F below the 1991-2020 normal of 49.2°F. 0 of the 2 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.1°F | −1.1°F | 10.76 |
| 2022 | 46.7°F | −2.5°F | 5.09 |
Over 40 complete years from 1958 to 2022, the station's annual mean temperature rose at a fitted 3.4°F per century (+0.19°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00425477; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Marysvale's climate compare?
Marysvale is warmer than 44 of the other 96 places with their own NOAA record in Utah, and wetter than 11. Across the 7,247 U.S. stations with normals, its annual mean of 49.2°F is warmer than 37%.
In the Köppen classification computed from these normals, Marysvale is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Marysvale's climate
What is the coldest month in Marysvale?
December, with a normal high of 42°F and a normal low of 16°F. The warmest is July (90°F by day, 52°F at night).
Does it snow in Marysvale?
Yes. NOAA publishes no 1991-2020 snowfall normal for Marysvale's NOAA station; the nearest record that keeps one, Fremont Indian State Park (11 miles away), records 45 inches of snow in a normal year.
What is the rainiest month in Marysvale?
August, with 0.91 in of precipitation in a normal year; the driest is June with 0.37 in.
What plant hardiness zone is Marysvale in?
The USDA's 2023 map puts Marysvale in zone 6a in ZIP code 84750. By the same method at Marysvale's NOAA station, the coldest night of a typical year reaches −9°F (20 years, 1991-2020): zone 6a.
How late can frost come in Marysvale?
In half of years the last 32°F night comes after May 24; in one year in ten it comes after June 10. Waiting until June 10 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Fremont Indian State Park, UT11 miles from this station, 47.1°F a year
- Beaver, UT19 miles from this station, 44.3°F a year
- Koosharem, UT19 miles from this station, 44.8°F a year
- Circleville, UT19 miles from this station, 50.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made