Lander weather in May: Lander, Wyoming: normal highs, lows, rain and records for May
Lander in May has a normal high of 66°F and a normal low of 39°F, a daily mean of 53°F, rising from 60°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 2.68 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 4°C, 68 mm of precipitation and 11 cm of snow in May.
- NOAA stationLander Airport
- Station IDUSW00024021
- Location42.82°N 108.73°W
- Elevation5,592 ft (1,704 m)
- Population7,451
- Jan 33° 10°
- Feb 37° 13°
- Mar 49° 23°
- Apr 56° 30°
- May 66° 39°
- Jun 78° 48°
- Jul 88° 55°
- Aug 86° 54°
- Sep 75° 45°
- Oct 59° 32°
- Nov 44° 20°
- Dec 33° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lander in May?
The normal high is 66°F and the normal low 39°F, for a daily mean of 52.8°F. May is 9.6°F warmer than April and 10.0°F cooler than June. May is the 5th warmest month of the year in Lander and the wettest. Across the month the normal high rises 12°F, from 60°F on May 1 to 72°F on May 31. From one year to the next May's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Mays in three average between 50°F and 56°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 60°F | 34°F | 30% | 18% |
| May 8 | 63°F | 37°F | 31% | 17% |
| May 15 | 66°F | 39°F | 30% | 16% |
| May 22 | 69°F | 42°F | 29% | 16% |
| May 31 | 72°F | 44°F | 26% | 14% |
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 | 60°F | 34°F | 30% | 18% | 14 h |
| May 2 | 61°F | 35°F | 30% | 18% | 14 h 10 min |
| May 3 | 61°F | 35°F | 30% | 17% | 14 h 10 min |
| May 4 | 61°F | 35°F | 30% | 17% | 14 h 10 min |
| May 5 | 62°F | 36°F | 30% | 17% | 14 h 10 min |
| May 6 | 62°F | 36°F | 31% | 17% | 14 h 20 min |
| May 7 | 63°F | 36°F | 31% | 17% | 14 h 20 min |
| May 8 | 63°F | 37°F | 31% | 17% | 14 h 20 min |
| May 9 | 63°F | 37°F | 31% | 17% | 14 h 20 min |
| May 10 | 64°F | 37°F | 31% | 17% | 14 h 30 min |
| May 11 | 64°F | 38°F | 30% | 17% | 14 h 30 min |
| May 12 | 65°F | 38°F | 30% | 17% | 14 h 30 min |
| May 13 | 65°F | 39°F | 30% | 17% | 14 h 30 min |
| May 14 | 65°F | 39°F | 30% | 17% | 14 h 30 min |
| May 15 | 66°F | 39°F | 30% | 16% | 14 h 40 min |
| May 16 | 66°F | 40°F | 30% | 16% | 14 h 40 min |
| May 17 | 67°F | 40°F | 30% | 16% | 14 h 40 min |
| May 18 | 67°F | 40°F | 29% | 16% | 14 h 40 min |
| May 19 | 67°F | 41°F | 29% | 16% | 14 h 40 min |
| May 20 | 68°F | 41°F | 29% | 16% | 14 h 50 min |
| May 21 | 68°F | 41°F | 29% | 16% | 14 h 50 min |
| May 22 | 69°F | 42°F | 29% | 16% | 14 h 50 min |
| May 23 | 69°F | 42°F | 29% | 15% | 14 h 50 min |
| May 24 | 69°F | 42°F | 28% | 15% | 14 h 50 min |
| May 25 | 70°F | 42°F | 28% | 15% | 15 h |
| May 26 | 70°F | 43°F | 28% | 15% | 15 h |
| May 27 | 71°F | 43°F | 27% | 15% | 15 h |
| May 28 | 71°F | 43°F | 27% | 14% | 15 h |
| May 29 | 71°F | 44°F | 27% | 14% | 15 h |
| May 30 | 72°F | 44°F | 26% | 14% | 15 h |
| May 31 | 72°F | 44°F | 26% | 14% | 15 h |
- Normal high
- 66°FMay average
- Normal low
- 39°FMay average
- Precipitation
- 2.68 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 4.5 inmonth total
- Nights at 32°F or colder
- 5
- Daylight
- 14 h to 15 hMay 1 to May 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 4
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024021; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Lander in May?
On a given May day the chance of 0.01 inch or more is 29% on average, highest around May 8 (31%). In all, 2.68 in falls on 9 days of a normal May, 1 of them with an inch or more.
In a normal May in Lander, 5 nights fall to freezing and snowfall averages 4.5 inches.
Snow falls on 2 days in a normal May, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024021.
How humid and windy is Lander in May?
At 3 p.m. the normal temperature is 68°F with 31% relative humidity and a dew point of 36°F; at 6 a.m. it is 49°F with 65% humidity. The wind averages 7.3 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 49°F | 37°F | 65% | 4.2 mph | 70% |
| 9 a.m. | 59°F | 39°F | 48% | 5.4 mph | 72% |
| noon | 66°F | 38°F | 36% | 7.6 mph | 70% |
| 3 p.m. | 68°F | 36°F | 31% | 9.9 mph | 70% |
| 6 p.m. | 66°F | 36°F | 34% | 10.1 mph | 66% |
| 9 p.m. | 57°F | 37°F | 46% | 8.7 mph | 63% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024021. 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 Lander?
The warmest May temperature on Lander's official record (since 1891) is 93°F, on May 29, 2003; the coldest is 13°F, on May 2, 1903. The wettest May brought 6.79 in (2011); the snowiest, 33.9 inches (1975).
The May mean against the 1991-2020 normal of 52.8°F: 2021 52.0°F (−0.8), 2022 50.3°F (−2.5), 2023 56.9°F (+4.1), 2024 51.2°F (−1.6), 2025 54.6°F (+1.8), 2026 55.2°F (+2.4). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 52.0°F | −0.8°F | 2.43 in |
| 2022 | 50.3°F | −2.5°F | 4.13 in |
| 2023 | 56.9°F | +4.1°F | 0.86 in |
| 2024 | 51.2°F | −1.6°F | 1.38 in |
| 2025 | 54.6°F | +1.8°F | 1.88 in |
| 2026 | 55.2°F | +2.4°F | 1.89 in |
Source: records: ACIS, NWS threaded record LNDthr; recent months: ACIS, station USW00024021. Records and recent months use complete months only.
How does May in Lander 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; Lander's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.