Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Indiana features a tropical rainforest climate (Af).Temperatures typically range between 25 °C (78 °F) and 27 °C (80 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 2793 mm (110.0 inches) and receives 290 rainy days on the 1 mm (0.04 inches) threshold annually.Indiana enjoys an average of 3062 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 18 minutes per day.
The warmest months in Indiana are September, October and November, with daily mean temperatures ranging from 26 to 27 °C (80 - 80 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Indiana experiences 327 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 34°C (94°F) | 33°C (92°F) | 35°C (95°F) | 35°C (95°F) | 33°C (91°F) | 33°C (92°F) | 34°C (93°F) | 34°C (93°F) | 34°C (94°F) | 35°C (95°F) | 34°C (94°F) | 34°C (93°F) |
Mean maximum | 33°C (92°F) | 33°C (91°F) | 33°C (92°F) | 33°C (91°F) | 32°C (90°F) | 32°C (90°F) | 32°C (90°F) | 33°C (92°F) | 34°C (93°F) | 34°C (93°F) | 33°C (92°F) | 33°C (92°F) |
Average high | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 29°C (85°F) | 29°C (85°F) | 30°C (87°F) | 31°C (88°F) | 31°C (87°F) | 30°C (87°F) | 30°C (86°F) |
Daily mean | 26°C (79°F) | 26°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 25°C (78°F) | 26°C (79°F) | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 26°C (79°F) |
Average low | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 22°C (73°F) | 23°C (73°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) |
Mean minimum | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 20°C (68°F) | 20°C (68°F) | 22°C (72°F) | 22°C (72°F) | 23°C (73°F) | 23°C (73°F) |
Minimum | 22°C (72°F) | 22°C (73°F) | 22°C (72°F) | 22°C (71°F) | 20°C (69°F) | 21°C (69°F) | 18°C (64°F) | 17°C (63°F) | 22°C (71°F) | 21°C (71°F) | 22°C (73°F) | 22°C (72°F) |
Compare temperature, precipitation, sunshine, UV index in Indiana, Loreto, Peru with other places around the world.
Indiana usually has the most precipitation in March, April and December, with an average of 27 rainy days and 306 mm (12.0 inches) of precipitation per month.The driest months in Indiana are July, August and September. On average, 156 mm (6.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 257 (10.1) | 212 (8.3) | 312 (12.3) | 321 (12.7) | 236 (9.3) | 246 (9.7) | 175 (6.9) | 115 (4.5) | 179 (7.0) | 216 (8.5) | 239 (9.4) | 285 (11.2) |
Average precipitation days (≥ 1 mm) | 22 | 24 | 28 | 27 | 26 | 25 | 19 | 18 | 23 | 25 | 26 | 27 |
The sunniest months in Indiana are July, August and September, when the sun shines an average of 9 hours 34 minutes a day.Least sunny months in Indiana: January, February and November receive an average of 7 hours 33 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 222 | 228 | 234 | 231 | 248 | 263 | 296 | 299 | 285 | 268 | 229 | 255 |
Mean daily daylight hours | 12h 17m | 12h 12m | 12h 6m | 12h 0m | 11h 56m | 11h 54m | 11h 55m | 11h 59m | 12h 4m | 12h 10m | 12h 15m | 12h 18m |
Indiana experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure.June, July and August are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Indiana UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 15 | 16 | 16 | 16 | 14 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |