Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Kingston features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (34 °F) and 23 °C (73 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 33 °C (93 °F).The average annual precipitation amounts to about 1315 mm (51.8 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Kingston enjoys an average of 3024 hours of sunshine throughout the year, and daylight varies from 9 hours 13 minutes to 15 hours 6 minutes per day.
The warmest months in Kingston are July, August and September, with daily mean temperatures ranging from 20 to 23 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Kingston experiences 38 days above 25 °C (77.0 °F) and 62 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 17°C (64°F) | 16°C (61°F) | 17°C (63°F) | 22°C (72°F) | 28°C (82°F) | 29°C (85°F) | 33°C (93°F) | 31°C (88°F) | 29°C (85°F) | 26°C (80°F) | 22°C (72°F) | 17°C (62°F) |
Mean maximum | 13°C (55°F) | 13°C (55°F) | 14°C (58°F) | 18°C (64°F) | 25°C (77°F) | 27°C (81°F) | 31°C (89°F) | 30°C (86°F) | 27°C (81°F) | 24°C (75°F) | 20°C (68°F) | 15°C (60°F) |
Average high | 4°C (39°F) | 5°C (41°F) | 7°C (45°F) | 12°C (53°F) | 17°C (62°F) | 22°C (72°F) | 26°C (78°F) | 26°C (78°F) | 22°C (72°F) | 18°C (64°F) | 11°C (53°F) | 6°C (43°F) |
Daily mean | 1°C (34°F) | 2°C (35°F) | 4°C (39°F) | 9°C (48°F) | 14°C (57°F) | 19°C (67°F) | 23°C (73°F) | 23°C (73°F) | 20°C (67°F) | 15°C (59°F) | 8°C (47°F) | 3°C (38°F) |
Average low | -2°C (28°F) | -1°C (30°F) | 1°C (34°F) | 6°C (43°F) | 11°C (52°F) | 16°C (61°F) | 20°C (69°F) | 20°C (69°F) | 17°C (62°F) | 12°C (54°F) | 5°C (40°F) | 0°C (33°F) |
Mean minimum | -14°C (8°F) | -11°C (12°F) | -7°C (19°F) | 1°C (34°F) | 6°C (42°F) | 12°C (54°F) | 16°C (62°F) | 16°C (61°F) | 11°C (52°F) | 4°C (40°F) | -4°C (25°F) | -8°C (18°F) |
Minimum | -19°C (-1°F) | -15°C (5°F) | -10°C (14°F) | -1°C (31°F) | 3°C (37°F) | 10°C (50°F) | 14°C (58°F) | 15°C (58°F) | 9°C (48°F) | 1°C (35°F) | -8°C (17°F) | -14°C (8°F) |
Compare temperature, precipitation, sunshine, UV index in Kingston, Rhode Island, United States with other places around the world.
Kingston usually has the most precipitation in April, October and December, with an average of 11 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Kingston are January, June and August. On average, 90 mm (3.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 80 (3.1) | 103 (4.0) | 107 (4.2) | 130 (5.1) | 116 (4.6) | 97 (3.8) | 114 (4.5) | 94 (3.7) | 97 (3.8) | 144 (5.7) | 105 (4.1) | 129 (5.1) |
Average precipitation days (≥ 1 mm) | 9 | 11 | 10 | 12 | 13 | 10 | 11 | 10 | 10 | 12 | 9 | 10 |
The sunniest months in Kingston are June, July and August, when the sun shines an average of 10 hours 49 minutes a day.Least sunny months in Kingston: January, February and December receive an average of 5 hours 39 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 148 | 188 | 260 | 248 | 291 | 322 | 346 | 326 | 281 | 227 | 205 | 176 |
Mean daily daylight hours | 9h 33m | 10h 37m | 11h 58m | 13h 21m | 14h 31m | 15h 6m | 14h 47m | 13h 44m | 12h 25m | 11h 2m | 9h 50m | 9h 13m |
Kingston experiences the highest level of ultraviolet (UV) radiation in May, June and August, 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 Low / 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 Kingston 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 | 8 | 9 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |