Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Kariwa features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (39 °F) and 27 °C (81 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 2014 mm (79.3 inches) and receives 208 rainy days on the 1 mm (0.04 inches) threshold annually.Kariwa enjoys an average of 2951 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 41 minutes per day.
The warmest months in Kariwa are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (39 - 44 °F) throughout the day. On average each year, Kariwa experiences 72 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (56°F) | 16°C (61°F) | 19°C (67°F) | 22°C (72°F) | 28°C (83°F) | 30°C (87°F) | 37°C (99°F) | 37°C (98°F) | 35°C (96°F) | 30°C (86°F) | 23°C (74°F) | 19°C (66°F) |
Mean maximum | 11°C (51°F) | 12°C (54°F) | 17°C (63°F) | 20°C (69°F) | 25°C (78°F) | 27°C (80°F) | 32°C (90°F) | 35°C (96°F) | 31°C (89°F) | 27°C (81°F) | 21°C (71°F) | 15°C (60°F) |
Average high | 6°C (43°F) | 7°C (44°F) | 11°C (51°F) | 14°C (58°F) | 20°C (68°F) | 23°C (75°F) | 28°C (82°F) | 30°C (86°F) | 26°C (79°F) | 20°C (69°F) | 15°C (59°F) | 9°C (48°F) |
Daily mean | 4°C (39°F) | 4°C (40°F) | 8°C (46°F) | 11°C (53°F) | 17°C (63°F) | 21°C (70°F) | 25°C (78°F) | 27°C (81°F) | 23°C (74°F) | 18°C (64°F) | 12°C (54°F) | 7°C (44°F) |
Average low | 2°C (36°F) | 2°C (36°F) | 5°C (41°F) | 8°C (47°F) | 13°C (57°F) | 18°C (64°F) | 23°C (74°F) | 25°C (77°F) | 21°C (69°F) | 15°C (60°F) | 9°C (49°F) | 4°C (40°F) |
Mean minimum | -2°C (28°F) | -1°C (30°F) | 1°C (34°F) | 3°C (38°F) | 8°C (47°F) | 14°C (58°F) | 20°C (69°F) | 21°C (70°F) | 16°C (60°F) | 11°C (52°F) | 4°C (39°F) | 0°C (33°F) |
Minimum | -5°C (23°F) | -2°C (28°F) | -1°C (31°F) | 2°C (36°F) | 8°C (46°F) | 12°C (54°F) | 20°C (68°F) | 18°C (65°F) | 15°C (59°F) | 10°C (51°F) | 2°C (36°F) | -1°C (31°F) |
Compare temperature, precipitation, sunshine, UV index in Kariwa, Niigata, Japan with other places around the world.
Kariwa usually has the most precipitation in January, July and December, with an average of 21 rainy days and 243 mm (9.6 inches) of precipitation per month.The driest months in Kariwa are April, May and June. On average, 105 mm (4.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 202 (8.0) | 165 (6.5) | 127 (5.0) | 113 (4.5) | 101 (4.0) | 101 (4.0) | 263 (10.3) | 181 (7.1) | 153 (6.0) | 168 (6.6) | 177 (7.0) | 263 (10.4) |
Average precipitation days (≥ 1 mm) | 22 | 22 | 17 | 14 | 12 | 12 | 16 | 15 | 16 | 16 | 20 | 26 |
The sunniest months in Kariwa are May, June and August, when the sun shines an average of 9 hours 54 minutes a day.Least sunny months in Kariwa: January, February and December receive an average of 5 hours 47 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 144 | 199 | 251 | 278 | 306 | 299 | 290 | 305 | 257 | 224 | 210 | 183 |
Mean daily daylight hours | 9h 53m | 10h 47m | 11h 57m | 13h 9m | 14h 10m | 14h 41m | 14h 25m | 13h 32m | 12h 23m | 11h 12m | 10h 9m | 9h 37m |
Kariwa experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, February 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 Kariwa UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 3 | 4 | 7 | 8 | 10 | 10 | 11 | 11 | 9 | 6 | 4 | 3 |