Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Manchester features a humid continental climate (Dfa).Temperatures typically range between -7 °C (20 °F) and 24 °C (75 °F) through the year, but rarely can drop to -34 °C (-28 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1113 mm (43.8 inches) and receives 114 rainy days on the 1 mm (0.04 inches) threshold annually.Manchester enjoys an average of 2964 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.
The warmest months in Manchester are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -2 °C (20 - 29 °F) throughout the day. On average each year, Manchester experiences 78 days above 25 °C (77.0 °F) and 130 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 11°C (52°F) | 21°C (69°F) | 22°C (73°F) | 27°C (81°F) | 33°C (92°F) | 34°C (93°F) | 34°C (93°F) | 34°C (93°F) | 33°C (91°F) | 30°C (87°F) | 23°C (73°F) | 21°C (71°F) |
Mean maximum | 8°C (47°F) | 12°C (54°F) | 18°C (65°F) | 25°C (77°F) | 31°C (88°F) | 32°C (90°F) | 33°C (91°F) | 31°C (88°F) | 31°C (87°F) | 29°C (84°F) | 17°C (64°F) | 15°C (59°F) |
Average high | -3°C (27°F) | -1°C (30°F) | 7°C (45°F) | 13°C (56°F) | 21°C (69°F) | 27°C (81°F) | 28°C (83°F) | 27°C (80°F) | 24°C (76°F) | 15°C (60°F) | 7°C (44°F) | 3°C (37°F) |
Daily mean | -7°C (20°F) | -6°C (22°F) | 2°C (37°F) | 8°C (47°F) | 16°C (60°F) | 22°C (72°F) | 24°C (75°F) | 22°C (71°F) | 19°C (66°F) | 10°C (51°F) | 2°C (36°F) | -2°C (29°F) |
Average low | -11°C (13°F) | -11°C (13°F) | -2°C (29°F) | 3°C (37°F) | 11°C (52°F) | 17°C (62°F) | 19°C (66°F) | 16°C (61°F) | 13°C (56°F) | 6°C (43°F) | -2°C (28°F) | -6°C (22°F) |
Mean minimum | -25°C (-13°F) | -24°C (-12°F) | -15°C (5°F) | -6°C (21°F) | 2°C (36°F) | 11°C (52°F) | 13°C (56°F) | 11°C (52°F) | 6°C (43°F) | -4°C (25°F) | -11°C (12°F) | -16°C (4°F) |
Minimum | -33°C (-27°F) | -34°C (-28°F) | -24°C (-12°F) | -11°C (13°F) | -2°C (29°F) | 8°C (47°F) | 11°C (52°F) | 10°C (51°F) | 2°C (36°F) | -6°C (22°F) | -17°C (2°F) | -22°C (-8°F) |
Compare temperature, precipitation, sunshine, UV index in Manchester, Iowa, United States with other places around the world.
Manchester usually has the most precipitation in May, June and October, with an average of 12 rainy days and 149 mm (5.9 inches) of precipitation per month.The driest months in Manchester are January, November and December. On average, 45 mm (1.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 46 (1.8) | 56 (2.2) | 66 (2.6) | 78 (3.1) | 172 (6.8) | 134 (5.3) | 110 (4.3) | 91 (3.6) | 129 (5.1) | 142 (5.6) | 47 (1.9) | 41 (1.6) |
Average precipitation days (≥ 1 mm) | 8 | 8 | 8 | 10 | 15 | 11 | 11 | 9 | 10 | 11 | 7 | 6 |
The sunniest months in Manchester are June, July and August, when the sun shines an average of 11 hours 11 minutes a day.Least sunny months in Manchester: January, February and December receive an average of 5 hours 42 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 134 | 191 | 229 | 243 | 258 | 336 | 363 | 329 | 270 | 212 | 202 | 193 |
Mean daily daylight hours | 9h 27m | 10h 33m | 11h 58m | 13h 24m | 14h 37m | 15h 13m | 14h 53m | 13h 48m | 12h 25m | 11h 0m | 9h 44m | 9h 6m |
Manchester experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme 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 3. For more detailed information, check out our hourly Manchester UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 4 | 5 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 3 |