Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Hawai features a subtropical climate (Cwb).Temperatures typically range between 4 °C (39 °F) and 18 °C (65 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 25 °C (77 °F).The average annual precipitation amounts to about 2780 mm (109.5 inches) and receives 219 rainy days on the 1 mm (0.04 inches) threshold annually.Hawai enjoys an average of 3352 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.
The warmest months in Hawai are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (39 - 43 °F) throughout the day. On average each year, Hawai experiences 0 days above 25 °C (77.0 °F) and 58 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 17°C (63°F) | 17°C (64°F) | 22°C (72°F) | 23°C (73°F) | 23°C (74°F) | 25°C (76°F) | 25°C (76°F) | 25°C (77°F) | 24°C (75°F) | 23°C (74°F) | 20°C (67°F) | 16°C (61°F) |
Mean maximum | 14°C (57°F) | 15°C (59°F) | 19°C (66°F) | 20°C (69°F) | 22°C (71°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) | 23°C (73°F) | 22°C (72°F) | 18°C (64°F) | 14°C (58°F) |
Average high | 10°C (50°F) | 11°C (52°F) | 13°C (56°F) | 15°C (60°F) | 18°C (64°F) | 20°C (68°F) | 20°C (69°F) | 21°C (70°F) | 20°C (68°F) | 19°C (66°F) | 15°C (59°F) | 12°C (53°F) |
Daily mean | 4°C (39°F) | 5°C (42°F) | 8°C (47°F) | 11°C (52°F) | 14°C (58°F) | 17°C (63°F) | 18°C (64°F) | 18°C (65°F) | 17°C (63°F) | 14°C (58°F) | 9°C (49°F) | 6°C (43°F) |
Average low | -3°C (27°F) | -1°C (30°F) | 2°C (36°F) | 6°C (43°F) | 10°C (51°F) | 14°C (58°F) | 15°C (60°F) | 15°C (60°F) | 14°C (57°F) | 10°C (50°F) | 3°C (38°F) | 0°C (33°F) |
Mean minimum | -9°C (17°F) | -7°C (19°F) | -4°C (26°F) | 1°C (35°F) | 6°C (43°F) | 10°C (51°F) | 13°C (56°F) | 13°C (55°F) | 11°C (52°F) | 4°C (39°F) | -1°C (30°F) | -3°C (26°F) |
Minimum | -13°C (8°F) | -12°C (10°F) | -7°C (19°F) | 0°C (33°F) | 5°C (41°F) | 8°C (46°F) | 12°C (54°F) | 11°C (51°F) | 8°C (46°F) | 3°C (38°F) | -4°C (26°F) | -5°C (23°F) |
Compare temperature, precipitation, sunshine, UV index in Hawai, Arunachal Pradesh, India with other places around the world.
Hawai usually has the most precipitation in June, July and August, with an average of 29 rainy days and 544 mm (21.4 inches) of precipitation per month.The driest months in Hawai are January, November and December. On average, 42 mm (1.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 50 (2.0) | 99 (3.9) | 123 (4.8) | 128 (5.0) | 259 (10.2) | 387 (15.2) | 643 (25.3) | 603 (23.7) | 306 (12.0) | 106 (4.2) | 39 (1.5) | 38 (1.5) |
Average precipitation days (≥ 1 mm) | 9 | 11 | 16 | 17 | 24 | 28 | 30 | 30 | 26 | 12 | 7 | 9 |
The sunniest months in Hawai are March, April and October, when the sun shines an average of 10 hours 3 minutes a day.Least sunny months in Hawai: January, February and July receive an average of 7 hours 53 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 237 | 272 | 311 | 308 | 292 | 274 | 208 | 273 | 273 | 304 | 295 | 299 |
Mean daily daylight hours | 10h 34m | 11h 11m | 12h 0m | 12h 49m | 13h 31m | 13h 51m | 13h 41m | 13h 5m | 12h 17m | 11h 28m | 10h 45m | 10h 23m |
Hawai experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, February and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Hawai UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 7 | 9 | 11 | 13 | 14 | 15 | 15 | 14 | 13 | 11 | 9 | 6 |