Bloomington weather by month
Average highs run from 37°F in January to 85°F in July, and January nights average 21°F. It gets 49 inches of rain and melted snow a year and 18 inches of snow. Nights drop below freezing about 108 times a year. The most comfortable months are August to October.
Best time to visit Bloomington
For comfortable weather, go in August to October. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 37°F | 21°F | 3.8 in | 7.1 in | 7 | 0 | 26 | cold |
| February | 42°F | 23°F | 3.0 in | 4.2 in | 6 | 0 | 22 | cold |
| March | 52°F | 32°F | 3.7 in | 1.3 in | 7 | 0 | 18 | cool |
| April | 64°F | 42°F | 5.2 in | 0.1 in | 9 | 0 | 5 | mild |
| May | 74°F | 53°F | 5.4 in | 0.0 in | 9 | 0 | 0 | mild |
| June | 82°F | 62°F | 5.4 in | 0.0 in | 8 | 4 | 0 | warm |
| July | 85°F | 65°F | 4.6 in | 0.0 in | 7 | 7 | 0 | warm |
| August | 85°F | 64°F | 3.4 in | 0.0 in | 5 | 6 | 0 | warm |
| September | 79°F | 56°F | 3.8 in | 0.0 in | 5 | 3 | 0 | warm |
| October | 66°F | 44°F | 3.8 in | 0.1 in | 6 | 0 | 2 | mild |
| November | 53°F | 34°F | 3.9 in | 0.2 in | 6 | 0 | 14 | cool |
| December | 41°F | 26°F | 3.5 in | 4.5 in | 7 | 0 | 23 | cold |
| Year | 63°F avg | 43°F avg | 49.4 in | 17.5 in | 81 | 21 | 109 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Bloomington Indiana University, IN (USC00120784), 0.7 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Bloomington
The shortest day is December 21, with 9h 24m of daylight; the longest is June 21, with 14h 55m. The earliest sunset comes around December 3 (5:22 pm) and the latest around June 25 (9:16 pm). The sun sets after 8 pm on 173 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:04 am | 5:47 pm | 9h 43m |
| February | 7:37 am | 6:23 pm | 10h 45m |
| March | 7:57 am | 7:52 pm | 11h 55m |
| April | 7:09 am | 8:23 pm | 13h 14m |
| May | 6:33 am | 8:52 pm | 14h 19m |
| June | 6:19 am | 9:13 pm | 14h 54m |
| July | 6:32 am | 9:11 pm | 14h 39m |
| August | 6:59 am | 8:40 pm | 13h 41m |
| September | 7:27 am | 7:54 pm | 12h 26m |
| October | 7:56 am | 7:06 pm | 11h 11m |
| November | 7:29 am | 5:31 pm | 10h 02m |
| December | 7:58 am | 5:23 pm | 9h 25m |
Calculated for 2026 at the center of Bloomington with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Bloomington getting warmer?
The last 10 years averaged 2.0°F warmer than the 20th century. See the climate stripes for Bloomington.Frequently asked questions
What is the warmest month in Bloomington?
July is the warmest month, with an average high of 85°F and an average low of 65°F (NOAA 1991-2020 normals).
What is the coldest month in Bloomington?
January is the coldest, with average lows of 21°F and highs of 37°F.
What is the rainiest month in Bloomington?
June gets the most precipitation, 5.4 inches on average. February is the driest at 3.0 inches.
Does it snow in Bloomington?
Yes. Bloomington averages 18 inches of snow a year.
When is the best time to visit Bloomington?
For comfortable weather, August to October. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Bloomington?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Bloomington profile.
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