Ellicott Weather in May
Average highs run from 68°F on May 1 to 80°F on May 31, and lows from 39°F to 47°F. Normal precipitation for the month is 1.92 in.
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
- 74°F
- Average low
- 44°F
- Precipitation
- 1.92 in
- Snowfall
- 0.5 in
- Record high
- 93°FMay 11, 2018
- Record low
- 18°FMay 3, 2011
- Chance of a freeze
- 68%
- Days of 90°F or more
- 0.8
- Daylight
- 13 h 50 min to 14 h 41 min
- Cloud cover
- 58%
- Humidity
- 49%
- Dew point
- 33°F
- Wind
- 9.8 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 | 68°F | 39°F | 86°F 2020 | 26°F 2014 | 4% | |
| May 2 | 69°F | 40°F | 86°F 2020 | 22°F 2011 | 4% | |
| May 3 | 69°F | 40°F | 81°F 2015 | 18°F 2011 | 3% | |
| May 4 | 70°F | 40°F | 81°F 2020 | 25°F 2013 | 3% | |
| May 5 | 70°F | 41°F | 84°F 2012 | 26°F 2011 | 3% | |
| May 6 | 70°F | 41°F | 86°F 2016 | 30°F 2013 | 3% | |
| May 7 | 71°F | 41°F | 86°F 2016 | 22°F 2026 | 3% | |
| May 8 | 71°F | 42°F | 88°F 2018 | 33°F 2024 | 3% | |
| May 9 | 71°F | 42°F | 88°F 2016 | 27°F 2024 | 2% | |
| May 10 | 72°F | 42°F | 88°F 2018 | 33°F 2014 | 2% | |
| May 11 | 72°F | 43°F | 93°F 2018 | 31°F 2021 | 2% | |
| May 12 | 73°F | 43°F | 93°F 2018 | 29°F 2019 | 2% | |
| May 13 | 73°F | 43°F | 85°F 2015 | 28°F 2014 | 2% | |
| May 14 | 74°F | 44°F | 85°F 2015 | 22°F 2014 | 2% | |
| May 15 | 74°F | 44°F | 83°F 2013 | 31°F 2025 | 2% | |
| May 16 | 74°F | 44°F | 84°F 2019 | 32°F 2012 | 1% | |
| May 17 | 75°F | 45°F | 84°F 2018 | 30°F 2019 | 1% | |
| May 18 | 75°F | 45°F | 90°F 2018 | 28°F 2019 | 1% | |
| May 19 | 76°F | 45°F | 86°F 2012 | 27°F 2019 | 1% | |
| May 20 | 76°F | 45°F | 86°F 2014 | 27°F 2019 | 1% | |
| May 21 | 76°F | 46°F | 86°F 2020 | 27°F 2019 | 1% | |
| May 22 | 77°F | 46°F | 88°F 2016 | 27°F 2024 | 1% | |
| May 23 | 77°F | 46°F | 90°F 2012 | 34°F 2019 | 1% | |
| May 24 | 78°F | 46°F | 85°F 2018 | 32°F 2021 | 1% | |
| May 25 | 78°F | 46°F | 87°F 2013 | 31°F 2019 | 1% | |
| May 26 | 78°F | 47°F | 90°F 2018 | 31°F 2019 | 1% | |
| May 27 | 79°F | 47°F | 93°F 2018 | 38°F 2019 | 0% | |
| May 28 | 79°F | 47°F | 91°F 2018 | 36°F 2012 | 0% | |
| May 29 | 79°F | 47°F | 86°F 2014 | 35°F 2015 | 0% | |
| May 30 | 80°F | 47°F | 88°F 2020 | 35°F 2015 | 0% | |
| May 31 | 80°F | 47°F | 87°F 2020 | 34°F 2011 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:00 AM, sunset 7:50 PM
- May 31
- sunrise 5:35 AM, sunset 8:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00052668 (Ellicott 7S), public domain. Records: NOAA GHCN-Daily, station USC00052668, 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.