Napi Headquarters Weather in May
Average highs run from 69°F on May 1 to 81°F on May 31, and lows from 41°F to 50°F. Normal precipitation for the month is 0.60 in over about 4 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 75°F
- Average low
- 45°F
- Precipitation
- 0.60 in
- Record high
- 98°FMay 29, 2000
- Record low
- 23°FMay 2, 1967
- Chance of a freeze
- 44%
- Days of 90°F or more
- 1.0
- Daylight
- 13 h 42 min to 14 h 30 min
- Cloud cover
- 42%
- Humidity
- 36%
- Dew point
- 29°F
- Wind
- 9.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 69°F | 41°F | 88°F 2020 | 24°F 1967 | 14% | |
| May 2 | 70°F | 41°F | 85°F 2020 | 23°F 1967 | 14% | |
| May 3 | 70°F | 41°F | 88°F 1952 | 27°F 1953 | 14% | |
| May 4 | 70°F | 42°F | 86°F 1956 | 32°F 1967 | 14% | |
| May 5 | 71°F | 42°F | 86°F 2000 | 29°F 2022 | 14% | |
| May 6 | 71°F | 42°F | 87°F 1966 | 29°F 1950 | 14% | |
| May 7 | 71°F | 43°F | 89°F 2022 | 26°F 2026 | 14% | |
| May 8 | 72°F | 43°F | 87°F 1954 | 30°F 1950 | 14% | |
| May 9 | 72°F | 43°F | 90°F 2018 | 26°F 1950 | 14% | |
| May 10 | 73°F | 44°F | 90°F 2018 | 27°F 2003 | 14% | |
| May 11 | 73°F | 44°F | 87°F 1961 | 27°F 1953 | 14% | |
| May 12 | 73°F | 44°F | 91°F 2026 | 27°F 2010 | 13% | |
| May 13 | 74°F | 45°F | 91°F 1959 | 30°F 2014 | 13% | |
| May 14 | 74°F | 45°F | 90°F 2006 | 29°F 2014 | 13% | |
| May 15 | 74°F | 45°F | 90°F 2022 | 29°F 1998 | 13% | |
| May 16 | 75°F | 45°F | 90°F 1948 | 29°F 1955 | 13% | 0% |
| May 17 | 75°F | 46°F | 90°F 2020 | 35°F 2017 | 13% | 0% |
| May 18 | 76°F | 46°F | 91°F 2006 | 33°F 2017 | 13% | 0% |
| May 19 | 76°F | 46°F | 91°F 2006 | 30°F 2017 | 13% | 0% |
| May 20 | 77°F | 47°F | 96°F 2005 | 31°F 2017 | 13% | 0% |
| May 21 | 77°F | 47°F | 94°F 2005 | 33°F 1949 | 13% | 0% |
| May 22 | 77°F | 47°F | 96°F 2005 | 31°F 2002 | 13% | 0% |
| May 23 | 78°F | 48°F | 95°F 2005 | 34°F 1998 | 12% | 0% |
| May 24 | 78°F | 48°F | 93°F 2005 | 33°F 2021 | 12% | 0% |
| May 25 | 79°F | 48°F | 92°F 2005 | 34°F 1960 | 12% | 0% |
| May 26 | 79°F | 48°F | 91°F 2001 | 31°F 1950 | 12% | 0% |
| May 27 | 80°F | 49°F | 94°F 1951 | 31°F 2012 | 11% | 0% |
| May 28 | 80°F | 49°F | 94°F 2000 | 33°F 2012 | 11% | 0% |
| May 29 | 80°F | 49°F | 98°F 2000 | 33°F 1953 | 11% | 0% |
| May 30 | 81°F | 50°F | 95°F 2000 | 35°F 2010 | 11% | 0% |
| May 31 | 81°F | 50°F | 98°F 2002 | 36°F 2011 | 11% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:19 AM, sunset 8:01 PM
- May 31
- sunrise 5:56 AM, sunset 8:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00293142 (Farmington Ag Sci Cnt), public domain. Records: NOAA GHCN-Daily, station USW00023090, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.