Big Piney weather in May: Big Piney, Wyoming: normal highs, lows, rain and records for May
Big Piney in May has a normal high of 62°F and a normal low of 29°F, a daily mean of 45°F, rising from 57°F on the 1st to 67°F by the 31st. Measurable precipitation falls on 8 days in a normal May, 1.22 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of −2°C, 31 mm of precipitation in May.
- NOAA stationBig Piney Marbleton Airport
- Station IDUSW00024164
- Location42.58°N 110.11°W
- Elevation6,970 ft (2,125 m)
- Population390
- Jan 27° -3°
- Feb 30° 0°
- Mar 41° 13°
- Apr 52° 21°
- May 62° 29°
- Jun 72° 36°
- Jul 82° 42°
- Aug 80° 40°
- Sep 70° 32°
- Oct 55° 21°
- Nov 39° 9°
- Dec 28° -2°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Big Piney in May?
The normal high is 62°F and the normal low 29°F, for a daily mean of 45.3°F. May is 8.9°F warmer than April and 8.9°F cooler than June. May is the 5th warmest month of the year in Big Piney and the wettest. Across the month the normal high rises 10°F, from 57°F on May 1 to 67°F on May 31. From one year to the next May's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Mays in three average between 43°F and 48°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 57°F | 24°F | 25% | 10% |
| May 8 | 59°F | 26°F | 26% | 10% |
| May 15 | 62°F | 29°F | 26% | 10% |
| May 22 | 64°F | 31°F | 26% | 10% |
| May 31 | 67°F | 33°F | 24% | 10% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 57°F | 24°F | 25% | 10% | 14 h |
| May 2 | 57°F | 24°F | 25% | 10% | 14 h |
| May 3 | 58°F | 25°F | 25% | 10% | 14 h 10 min |
| May 4 | 58°F | 25°F | 25% | 10% | 14 h 10 min |
| May 5 | 58°F | 25°F | 25% | 10% | 14 h 10 min |
| May 6 | 59°F | 26°F | 25% | 10% | 14 h 10 min |
| May 7 | 59°F | 26°F | 26% | 10% | 14 h 20 min |
| May 8 | 59°F | 26°F | 26% | 10% | 14 h 20 min |
| May 9 | 60°F | 27°F | 26% | 10% | 14 h 20 min |
| May 10 | 60°F | 27°F | 26% | 10% | 14 h 20 min |
| May 11 | 60°F | 27°F | 26% | 10% | 14 h 30 min |
| May 12 | 61°F | 28°F | 26% | 10% | 14 h 30 min |
| May 13 | 61°F | 28°F | 26% | 10% | 14 h 30 min |
| May 14 | 61°F | 28°F | 26% | 10% | 14 h 30 min |
| May 15 | 62°F | 29°F | 26% | 10% | 14 h 30 min |
| May 16 | 62°F | 29°F | 26% | 10% | 14 h 40 min |
| May 17 | 62°F | 29°F | 26% | 10% | 14 h 40 min |
| May 18 | 63°F | 30°F | 26% | 10% | 14 h 40 min |
| May 19 | 63°F | 30°F | 26% | 10% | 14 h 40 min |
| May 20 | 63°F | 30°F | 26% | 10% | 14 h 40 min |
| May 21 | 64°F | 31°F | 26% | 10% | 14 h 50 min |
| May 22 | 64°F | 31°F | 26% | 10% | 14 h 50 min |
| May 23 | 64°F | 31°F | 26% | 10% | 14 h 50 min |
| May 24 | 64°F | 32°F | 26% | 10% | 14 h 50 min |
| May 25 | 65°F | 32°F | 26% | 10% | 14 h 50 min |
| May 26 | 65°F | 32°F | 26% | 10% | 15 h |
| May 27 | 65°F | 32°F | 25% | 10% | 15 h |
| May 28 | 66°F | 33°F | 25% | 10% | 15 h |
| May 29 | 66°F | 33°F | 25% | 10% | 15 h |
| May 30 | 66°F | 33°F | 25% | 10% | 15 h |
| May 31 | 67°F | 33°F | 24% | 10% | 15 h |
- Normal high
- 62°FMay average
- Normal low
- 29°FMay average
- Precipitation
- 1.22 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 20
- Daylight
- 14 h to 15 hMay 1 to May 31
- Days at 70°F or more
- 8
- Days at 80°F or more
- 1
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024164; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Big Piney in May?
On a given May day the chance of 0.01 inch or more is 26% on average, highest around May 15 (26%). In all, 1.22 in falls on 8 days of a normal May.
In a normal May in Big Piney, 20 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024164.
How humid and windy is Big Piney in May?
At 3 p.m. the normal temperature is 63°F with 30% relative humidity and a dew point of 31°F; at 6 a.m. it is 40°F with 77% humidity. The wind averages 8.2 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 40°F | 33°F | 77% | 3.3 mph | – |
| 9 a.m. | 54°F | 35°F | 48% | 6.0 mph | – |
| noon | 62°F | 32°F | 33% | 10.6 mph | – |
| 3 p.m. | 63°F | 31°F | 30% | 13.6 mph | – |
| 6 p.m. | 60°F | 32°F | 35% | 12.9 mph | – |
| 9 p.m. | 49°F | 34°F | 56% | 8.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024164. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Big Piney?
The warmest May temperature on this station's record (since 1998) is 86°F, on May 28, 2003; the coldest is 7°F, on May 1, 2019. The wettest May brought 3.99 in (2016).
The May mean against the 1991-2020 normal of 45.3°F: 2021 46.4°F (+1.1), 2022 43.0°F (−2.3), 2023 49.3°F (+4.0), 2024 42.9°F (−2.4), 2025 47.8°F (+2.5), 2026 47.0°F (+1.7). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.4°F | +1.1°F | 0.44 in |
| 2022 | 43.0°F | −2.3°F | 0.96 in |
| 2023 | 49.3°F | +4.0°F | 1.42 in |
| 2024 | 42.9°F | −2.4°F | 0.70 in |
| 2025 | 47.8°F | +2.5°F | 0.66 in |
| 2026 | 47.0°F | +1.7°F | 0.56 in |
Source: records: ACIS, station USW00024164; recent months: ACIS, station USW00024164. Records and recent months use complete months only.
How does May in Big Piney compare across Wyoming?
Across the 71 places PlainClimate covers in Wyoming, May normal highs run from 55°F in Sundance to 73°F in Basin; Big Piney's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.