Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Bristol features a humid continental climate (Dfa).Temperatures typically range between -3 °C (27 °F) and 24 °C (75 °F) through the year, but rarely can drop to -29 °C (-21 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1192 mm (46.9 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Bristol enjoys an average of 2847 hours of sunshine throughout the year, and daylight varies from 9 hours 10 minutes to 15 hours 9 minutes per day.
The warmest months in Bristol are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 1 °C (27 - 34 °F) throughout the day. On average each year, Bristol experiences 82 days above 25 °C (77.0 °F) and 104 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 16°C (62°F) | 19°C (67°F) | 25°C (78°F) | 28°C (82°F) | 34°C (94°F) | 34°C (94°F) | 34°C (93°F) | 33°C (92°F) | 33°C (92°F) | 30°C (87°F) | 25°C (77°F) | 17°C (62°F) |
Mean maximum | 12°C (54°F) | 14°C (58°F) | 20°C (68°F) | 26°C (79°F) | 31°C (87°F) | 33°C (91°F) | 33°C (91°F) | 32°C (89°F) | 31°C (89°F) | 28°C (83°F) | 18°C (64°F) | 15°C (59°F) |
Average high | 1°C (33°F) | 2°C (36°F) | 9°C (48°F) | 14°C (57°F) | 21°C (70°F) | 27°C (80°F) | 28°C (83°F) | 27°C (81°F) | 25°C (77°F) | 17°C (63°F) | 8°C (47°F) | 5°C (40°F) |
Daily mean | -3°C (27°F) | -2°C (29°F) | 4°C (39°F) | 9°C (48°F) | 16°C (61°F) | 22°C (72°F) | 24°C (75°F) | 22°C (72°F) | 19°C (67°F) | 13°C (55°F) | 4°C (40°F) | 1°C (34°F) |
Average low | -6°C (22°F) | -6°C (22°F) | -1°C (31°F) | 4°C (40°F) | 11°C (53°F) | 17°C (63°F) | 19°C (67°F) | 18°C (64°F) | 14°C (58°F) | 8°C (47°F) | 1°C (34°F) | -3°C (28°F) |
Mean minimum | -18°C (1°F) | -18°C (-0°F) | -9°C (16°F) | -5°C (24°F) | 2°C (36°F) | 12°C (54°F) | 14°C (57°F) | 11°C (53°F) | 7°C (45°F) | -0°C (32°F) | -8°C (18°F) | -11°C (12°F) |
Minimum | -28°C (-17°F) | -29°C (-21°F) | -13°C (9°F) | -8°C (19°F) | -2°C (29°F) | 8°C (47°F) | 12°C (55°F) | 9°C (48°F) | 3°C (38°F) | -2°C (29°F) | -14°C (7°F) | -21°C (-5°F) |
Compare temperature, precipitation, sunshine, UV index in Bristol, Indiana, United States with other places around the world.
Bristol usually has the most precipitation in May, June and October, with an average of 13 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Bristol are January, February and December. On average, 70 mm (2.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 72 (2.8) | 77 (3.0) | 99 (3.9) | 100 (3.9) | 142 (5.6) | 128 (5.1) | 121 (4.7) | 103 (4.1) | 80 (3.1) | 129 (5.1) | 80 (3.1) | 61 (2.4) |
Average precipitation days (≥ 1 mm) | 11 | 11 | 12 | 14 | 15 | 13 | 12 | 12 | 9 | 12 | 10 | 10 |
The sunniest months in Bristol are June, July and August, when the sun shines an average of 11 hours 0 minutes a day.Least sunny months in Bristol: January, November and December receive an average of 4 hours 36 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 107 | 164 | 228 | 232 | 280 | 326 | 351 | 334 | 286 | 216 | 163 | 152 |
Mean daily daylight hours | 9h 31m | 10h 36m | 11h 58m | 13h 22m | 14h 33m | 15h 9m | 14h 49m | 13h 46m | 12h 25m | 11h 1m | 9h 48m | 9h 10m |
Bristol experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Bristol UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 3 |