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Monthly climate in Rongelap, Marshall Islands

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rongelap features a tropical rainforest climate (Af).Temperatures typically range between 27 °C (80 °F) and 28 °C (82 °F) through the year, but rarely can drop to 24 °C (76 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1569 mm (61.8 inches) and receives 241 rainy days on the 1 mm (0.04 inches) threshold annually.Rongelap enjoys an average of 3522 hours of sunshine throughout the year, and daylight varies from 11 hours 28 minutes to 12 hours 45 minutes per day.

Monthly average temperatures in Rongelap, Marshall Islands §

The warmest months in Rongelap are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Rongelap experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rongelap, Marshall Islands.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)
Mean maximum 28°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)
Average high 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)
Daily mean 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(82°F)		 27°C
(82°F)		 27°C
(81°F)
Average low 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(80°F)		 27°C
(80°F)
Mean minimum 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(78°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)
Minimum 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(76°F)

Compare climate in Rongelap with other places

Compare temperature, precipitation, sunshine, UV index in Rongelap, Marshall Islands with other places around the world.

Monthly average precipitation in Rongelap, Marshall Islands §

Rongelap usually has the most precipitation in September, October and November, with an average of 27 rainy days and 227 mm (8.9 inches) of precipitation per month.The driest months in Rongelap are January, February and December. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rongelap, Marshall Islands.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 42 (1.7) 28 (1.1) 88 (3.5) 82 (3.2) 115 (4.5) 110 (4.3) 152 (6.0) 201 (7.9) 207 (8.2) 256 (10.1) 217 (8.5) 72 (2.8)
Average precipitation days (≥ 1 mm) 13 11 14 15 16 20 24 27 27 29 26 19

Monthly sunshine hours in Rongelap, Marshall Islands §

The sunniest months in Rongelap are May, June and July, when the sun shines an average of 10 hours 15 minutes a day.Least sunny months in Rongelap: January, February and November receive an average of 8 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rongelap, Marshall Islands.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 241 274 308 307 313 311 319 303 286 285 275 297
Mean daily daylight hours 11h 32m 11h 45m 12h 3m 12h 21m 12h 37m 12h 45m 12h 41m 12h 27m 12h 10m 11h 51m 11h 36m 11h 28m

Solar UV radiation in Rongelap, Marshall Islands §

Rongelap experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Rongelap UV Index data.

Average daily maximum UV levels by month for Rongelap, Marshall Islands.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 12 13 15 14 14 13 13 14 14 13 11 10