Danbury weather in May: Danbury, Connecticut: normal highs, lows, rain and records for May
Danbury in May has a normal high of 69°F and a normal low of 46°F, a daily mean of 58°F, rising from 65°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 14 days in a normal May, 3.78 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 8°C, 96 mm of precipitation in May.
- NOAA stationDanbury Municipal Airport
- Station IDUSW00054734
- Location41.37°N 73.48°W
- Elevation457 ft (139 m)
- From the center2 miles
- Population88,692
- Jan 36° 18°
- Feb 39° 20°
- Mar 47° 27°
- Apr 59° 37°
- May 69° 46°
- Jun 78° 56°
- Jul 82° 62°
- Aug 80° 60°
- Sep 74° 52°
- Oct 62° 41°
- Nov 51° 31°
- Dec 41° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Danbury in May?
The normal high is 69°F and the normal low 46°F, for a daily mean of 57.8°F. May is 10.1°F warmer than April and 9.1°F cooler than June. May is the 5th warmest month of the year in Danbury and the 8th wettest. Across the month the normal high rises 8°F, from 65°F on May 1 to 73°F on May 31. From one year to the next May's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Mays in three average between 55°F and 60°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 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 65°F | 42°F | 43% | 23% |
| May 8 | 67°F | 44°F | 44% | 24% |
| May 15 | 69°F | 46°F | 45% | 24% |
| May 22 | 71°F | 48°F | 45% | 25% |
| May 31 | 73°F | 51°F | 45% | 25% |
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 | 65°F | 42°F | 43% | 23% | 14 h |
| May 2 | 65°F | 42°F | 43% | 23% | 14 h |
| May 3 | 65°F | 42°F | 43% | 23% | 14 h |
| May 4 | 66°F | 43°F | 43% | 24% | 14 h |
| May 5 | 66°F | 43°F | 43% | 24% | 14 h 10 min |
| May 6 | 66°F | 43°F | 43% | 24% | 14 h 10 min |
| May 7 | 67°F | 43°F | 44% | 24% | 14 h 10 min |
| May 8 | 67°F | 44°F | 44% | 24% | 14 h 10 min |
| May 9 | 67°F | 44°F | 44% | 24% | 14 h 20 min |
| May 10 | 68°F | 44°F | 44% | 24% | 14 h 20 min |
| May 11 | 68°F | 45°F | 44% | 24% | 14 h 20 min |
| May 12 | 68°F | 45°F | 44% | 24% | 14 h 20 min |
| May 13 | 68°F | 45°F | 45% | 24% | 14 h 20 min |
| May 14 | 69°F | 46°F | 45% | 24% | 14 h 30 min |
| May 15 | 69°F | 46°F | 45% | 24% | 14 h 30 min |
| May 16 | 69°F | 46°F | 45% | 25% | 14 h 30 min |
| May 17 | 69°F | 47°F | 45% | 25% | 14 h 30 min |
| May 18 | 70°F | 47°F | 45% | 25% | 14 h 30 min |
| May 19 | 70°F | 47°F | 45% | 25% | 14 h 40 min |
| May 20 | 70°F | 48°F | 45% | 25% | 14 h 40 min |
| May 21 | 71°F | 48°F | 45% | 25% | 14 h 40 min |
| May 22 | 71°F | 48°F | 45% | 25% | 14 h 40 min |
| May 23 | 71°F | 49°F | 45% | 25% | 14 h 40 min |
| May 24 | 71°F | 49°F | 45% | 25% | 14 h 40 min |
| May 25 | 72°F | 49°F | 45% | 25% | 14 h 50 min |
| May 26 | 72°F | 50°F | 45% | 25% | 14 h 50 min |
| May 27 | 72°F | 50°F | 45% | 25% | 14 h 50 min |
| May 28 | 72°F | 50°F | 45% | 25% | 14 h 50 min |
| May 29 | 73°F | 51°F | 45% | 25% | 14 h 50 min |
| May 30 | 73°F | 51°F | 45% | 25% | 14 h 50 min |
| May 31 | 73°F | 51°F | 45% | 25% | 15 h |
- Normal high
- 69°FMay average
- Normal low
- 46°FMay average
- Precipitation
- 3.78 inmonth total
- Days with precipitation
- 140.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 14 h to 15 hMay 1 to May 31
- Days at 70°F or more
- 15
- Days at 80°F or more
- 5
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00054734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Danbury in May?
On a given May day the chance of 0.01 inch or more is 44% on average, highest around May 22 (45%). In all, 3.78 in falls on 14 days of a normal May, 1 of them with an inch or more.
In a normal May in Danbury, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00054734.
What are the records for May in Danbury?
The warmest May temperature on this station's record (since 1998) is 93°F, on May 31, 2022; the coldest is 26°F, on May 1, 2008. The wettest May brought 6.56 in (1999).
The May mean against the 1991-2020 normal of 57.8°F: 2021 59.3°F (+1.5), 2022 63.3°F (+5.5), 2023 57.5°F (−0.3), 2024 62.5°F (+4.7), 2025 60.6°F (+2.8), 2026 58.5°F (+0.7). 5 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 59.3°F | +1.5°F | 2.39 in |
| 2022 | 63.3°F | +5.5°F | 4.16 in |
| 2023 | 57.5°F | −0.3°F | 1.78 in |
| 2024 | 62.5°F | +4.7°F | 4.83 in |
| 2025 | 60.6°F | +2.8°F | 2.72 in |
| 2026 | 58.5°F | +0.7°F | 2.22 in |
Source: records: ACIS, station USW00054734; recent months: ACIS, station USW00054734. Records and recent months use complete months only.
How does May in Danbury compare across Connecticut?
Across the 13 places PlainClimate covers in Connecticut, May normal highs run from 65°F in Groton to 72°F in Stamford; Danbury's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.