Huntsville, AL weather in May
May in Huntsville: warm, with frequent rain. Highs 83°F, lows 60°F, about 10 days with rain. A good month for most outdoor plans.
- Normal high
- 83°F
- Normal low
- 60°F
- Wet days
- 10
- 4.7 in total
- Muggy days
- 8
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 79°F | 86°F |
| Normal low | 56°F | 65°F |
| Chance of a wet day | 33% | 33% |
| Sunrise / sunset | 5:55 am / 7:31 pm | 5:34 am / 7:53 pm |
| Daylight | 13.6 h | 14.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am63°Fdew point 59°F
- 9 am72°Fdew point 59°F
- Noon78°Fdew point 58°F
- 3 pm79°Fdew point 58°F
- 6 pm76°Fdew point 58°F
- 9 pm68°Fdew point 60°F
NOAA hourly normals (local standard time) from Huntsville Intl Airport (13 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F8 of 31
- Hot dayshigh 90°F or more4 of 31
- Muggy daysdaily mean dew point 65°F or more8 of 31
- Wet daysat least 0.01 in of rain or melted snow10 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 4.7 in; a dry May brings about 2.8 in and a wet one about 6.2 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202018: average high 87°F
- Coolest May1997: average high 76°F
- Wettest May2003: 10.4 in
- Driest May2007: 0.8 in
- Highest reading96°F (May 26, 2019)
- Lowest reading39°F (May 10, 2020)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 75°F | 83°F | 89°F |
| Normal low | 51°F | 60°F | 68°F |
| Wet days | 10 | 10 | 10 |
| Comfortable days | 16 | 8 | 1 |
| Daylight | 13.1 h | 14.0 h | 14.4 h |
Highs change by +8°F from April and +6°F into June.
Nearby alternatives in May
- Cooler: Gatlinburg, TN186 mi · high 75°F · 15 wet days
How Huntsville ranks in May
- Normal high105th warmest of 378 cities; 5th of 6 in Alabama
- Wet days194th driest of 378
- Comfortable days232nd most of 339
What to pack for Huntsville in May
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
May has 23 heating degree days and 220 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Huntsville in May?
The normal high is 83°F and the normal low is 60°F. From 1991 to 2020 the hottest May reading was 96°F (most recently on May 26, 2019).
Does it rain a lot in Huntsville in May?
About 10 days in May have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest May in 1991-2020 was in 2003 (10.4 in); the driest was in 2007 (0.8 in).
Is May a good time to visit Huntsville?
May ranks 4th of 12 months on our comfort score for Huntsville (60 out of 100). It has about 8 comfortable days and about 4 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Huntsville Intl Airport (USW00003856), 13 mi WSW of the city center, 624 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Huntsville Intl/C.t.jones Field Airport (723230-03856), 13 mi WSW of the city center, 623 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).