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Contents
- The climate of Chuuk
- The best time to visit Chuuk
- The worst time to visit Chuuk
- Spring weather in Chuuk
- Summer weather in Chuuk
- Autumn weather in Chuuk
- Winter weather in Chuuk
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of Chuuk
Located in Micronesia, Chuuk's predominant climate, as classified by the Köppen system, is Af or Tropical rainforest. This classification establishes Chuuk's consistent, year-round tropical weather patterns marked by high temperatures, abundant rainfall, and high relative humidity.
On analyzing the monthly climatic parameters, Chuuk experiences little variation in temperature throughout the year. The average maximum temperature stays relatively stable, varying only by about 1°C (33.8°F), from 29.9°C (85.8°F) to 30.7°C (87.3°F). Similar conditions persist with regard to the average minimum temperature, with only minor fluctuations observed from 24.2°C (75.6°F) to 25.1°C (77.2°F).
Chuuk's relative humidity levels stay consistently high ranging from 77.7% to 83.9%, contributing to the overall perception of a warm and moist environment. Higher relative humidity levels typically coincide with increased rainfall. Indeed, Chuuk sees significant rainfall year-round, ranging from 163mm (6.42") to 365mm (14.37") per month, with peak rainfall observed during the summer months.
The number of rainfall days per month ranges from 12.2 to 21.2, supporting Chuuk's Af classification. Coupled with the stable sea temperature that perpetually resides at 29°C (84.2°F), it indicates a tropical marine climate. However, despite the frequent rainfall, Chuuk also enjoys several hours of sunshine per day, usually between 5.2 hours to 7.1 hours, which is another characteristic feature of the tropical rainforest climate.
On analyzing the monthly climatic parameters, Chuuk experiences little variation in temperature throughout the year. The average maximum temperature stays relatively stable, varying only by about 1°C (33.8°F), from 29.9°C (85.8°F) to 30.7°C (87.3°F). Similar conditions persist with regard to the average minimum temperature, with only minor fluctuations observed from 24.2°C (75.6°F) to 25.1°C (77.2°F).
Chuuk's relative humidity levels stay consistently high ranging from 77.7% to 83.9%, contributing to the overall perception of a warm and moist environment. Higher relative humidity levels typically coincide with increased rainfall. Indeed, Chuuk sees significant rainfall year-round, ranging from 163mm (6.42") to 365mm (14.37") per month, with peak rainfall observed during the summer months.
The number of rainfall days per month ranges from 12.2 to 21.2, supporting Chuuk's Af classification. Coupled with the stable sea temperature that perpetually resides at 29°C (84.2°F), it indicates a tropical marine climate. However, despite the frequent rainfall, Chuuk also enjoys several hours of sunshine per day, usually between 5.2 hours to 7.1 hours, which is another characteristic feature of the tropical rainforest climate.
The best time to visit Chuuk
Although Chuuk's climate maintains consistently high temperatures and regular rainfall throughout the year, certain months can be identified as marginally better for tourist visits. February and March, with their relative lower rainfall metrics of 163mm (6.42") and 230mm (9.06") respectively, coupled with 12.1 hours to 12.3 hours of daylight and 7.1 hours to 7 hours of sunshine, can provide a more comfortable and enjoyable experience for visitors.
The worst time to visit Chuuk
Taking into consideration the high level of rainfall and relative humidity, the month of July may not be the most favorable time to visit Chuuk. During this month, rainfall reaches its peak at 365mm (14.37"), with an average of 20.8 days experiencing rainfall. The relative humidity reaches 83.9%, which coupled with a high average temperature, may lead to a discomforting experience for some visitors.
Spring weather in Chuuk
Spring in Chuuk, defined by the months of March, April, and May, experiences average high temperatures from 30.2°C (86.4°F) to 30.7°C (87.3°F), and average lows from 25°C (77°F) to 24.9°C (76.8°F). Rainfall averages from 230mm (9.06") in March to 354mm (13.94") in May, the latter marking the onset of the wettest part of the year. Despite the increasing rainfall, sunshine hours remain relatively steady at approximately 6.5 hours per day.
Summer weather in Chuuk
Chuuk's summer, spanning June, July, and August, is characterized by the highest amount of rainfall. Rainfall ranges from 301mm (11.85") in June to a peak of 365mm (14.37") in July, with 20.3 to 20.8 days of rainfall per month on average. Temperatures remain consistently high, with maximum temperatures of 30.7°C (87.3°F) and minimum temperatures dropping no lower than 24.2°C (75.6°F). Despite the rain, the islands continue to receive between 6 hours to 6.3 hours of sunshine daily throughout the season.
Autumn weather in Chuuk
Autumn, marked by the months of September, October, and November, sees a continuation of the warm, moist conditions prevalent in Chuuk. Rainfall remains relatively high, from 307mm (12.09") in September to 282mm (11.1") in November, with between 18.6 to 20 days of rainfall per month. Daytime temperatures still hover from 30.7°C (87.3°F) to 30.7°C (87.3°F), while night temperatures range from 24.2°C (75.6°F) to 24.6°C (76.3°F). Sunshine hours slightly decrease from 5.9 hours in September to 5.4 hours in November.
Winter weather in Chuuk
The winter months in Chuuk, December to February, also continue to exhibit tropical characteristics. High temperatures persist, ranging from 30.2°C (86.4°F) to 29.9°C (85.8°F), and lows varying from 25°C (77°F) to 24.9°C (76.8°F). January and February experience comparatively less rainfall, 163mm (6.42") and 228mm (8.98") respectively, while December witnesses 293mm (11.54"). Sunlight hours range from 5.4 hours to 6.3 hours, and daylight hours fall from 11.7 hours to 11.7 hours across the season.
Weather in January
Chuuk, Micronesia starts the year with relatively warm weather. The average temperature ranges from 24.9°C (76.8°F) to 29.9°C (85.8°F), with humidity slightly below 80%, which provides a decent level of comfort. The sea reflects an almost identical temperature pattern, making coastal activities an inviting proposition. Weather in January »
Weather in February
Arriving next, the weather in February retains a semblance to January with a mild rise in the minimum temperature. Although it brings one of the lowest rainfall amounts of the year, the frequency of rainy days dwindles. Despite this, the sea maintains its inviting warmth. Weather in February »
Weather in March
As Chuuk progresses into the year, March brings higher temperatures and an increased frequency of rainfall. With no substantial shift in the sea temperature, marine activities continue to be enticing. Compared to February, the daylight hours follow a gradually rising trend, lengthening the time available for outdoor activities. Weather in March »
Weather in April
The trend continues into April as the temperatures rise slightly, and so do the levels of precipitation to 291mm (11.46"). Other parameters like the sea temperature and the daylight hours remain steady. Despite this consistency, April often turns out to be the wetter month, even though it doesn’t deplete the sunshine hours significantly. Weather in April »
Weather in May
May is the month where the heat begins to peak. The average temperatures hover around the 30°C (86°F) mark, and precipitation values also reach a substantial height. However, the frequency of rainy days takes a significant leap, leading to a dip in the sunshine hours. Weather in May »
Weather in June
Warmer sea and air temperatures mark the arrival of June in Chuuk. Despite a minor decrease from May's peaks, the rainy days remain fairly distributed throughout the month. The clear skies of the previous months give way to thicker cloud coverage, causing a slight reduction in sunshine hours. Weather in June »
Weather in July
As Chuuk transitions into the second half of the year, July weather witnesses a slight easing off in temperature and rainfall values. There is a minor increase in rainy days, giving July the distinction of having the highest number of rainfall days in the year. Weather in July »
Weather in August
The weather in Chuuk in August sees no substantial shift from July. The temperatures maintain their warm range with a stable sea temperature, and rainy days continue to be frequent. August sees the year's highest relative humidity, making the weather feel heavier than preceding months. Weather in August »
Weather in September
Progressing into the later phases of the year, September brings a minor decrease in temperatures in Chuuk, Micronesia. Still, the rainfall experiences a decline to 307mm (12.09") from the previous month's high. The frequency of the rainy days also decreases. Weather in September »
Weather in October
October marks a visible shift in the patterns. The temperatures retain their warmth, but rainfall takes an upward turn. This results in an increased number of rainy days, although the overall light hours and sea temperature remain consistent. Weather in October »
Weather in November
As Chuuk heads near the end of the year in November, the temperatures remain fairly warm, while rainfall shows a decline from October. And while the daylight hours begin their reduction towards the year's end, they do not diminish considerably. Weather in November »
Weather in December
Winter greets Chuuk with the year’s lowest temperature, albeit fairly warm. The rainfall inches upwards to 293mm (11.54"), contradicting the general expectation of a dry winter. The sea remains invariably warm throughout the year, encouraging beach and water activities. Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Chuuk?
The lowest level of Chuuk's temperatures is noted during January and February, averaging a high-temperature of 29.9°C (85.8°F).
How much does it rain in Chuuk?
In Chuuk, Micronesia, during the entire year, the rain falls for 218.8 days and collects up to 3525mm (138.78") of precipitation.
What months are the sea warmest in Chuuk?
January, March through December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
What is the month with the highest UV index in Chuuk?
January through October, with an average maximum UV index of 12, are months with the highest UV index in Chuuk, Micronesia.
What is the least humid month in Chuuk?
February is the least humid month in Chuuk, Micronesia, with an average relative humidity of 77.7%.
What is the driest month in Chuuk?
February is the month with the least rainfall in Chuuk. Rain falls for 12.2 days and accumulates 163mm (6.42") of precipitation.
What month is the sea coldest in Chuuk?
February is the month with the coldest seawater in Chuuk, with an average sea temperature of 28°C (82.4°F).
What month has the most sunshine in Chuuk?
The month with the most sunshine in Chuuk is February, with an average of 7.1h of sunshine.
What is the hottest time of year in Chuuk?
May, June, August through November are the warmest months, with an average high-temperature of 30.7°C (87.3°F).
When are the longest days in Chuuk?
June has the longest days of the year in Chuuk, with an average of 12h and 30min of daylight.
What is the most humid month in Chuuk?
The most humid month is July, with an average relative humidity of 83.9%.
What is the wettest month in Chuuk?
The month with the most rainfall is July, when the rain falls for 20.8 days and typically aggregates up to 365mm (14.37") of precipitation.
What is the month with the least sunshine in Chuuk?
With an average of 5.2h of sunshine, October has the least sunshine of the year.
What are the months with the lowest UV index in Chuuk?
November and December, with an average maximum UV index of 11, are months with the lowest UV index.
What is the month with the shortest days in Chuuk?
The month with the shortest days in Chuuk is December, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST) in Chuuk?
Chuuk does not utilize Daylight Saving Time (DST). +10 timezone is used over the entire year.
Average temperature
Chuuk, Micronesia
The warmest months (with the highest average high temperature) are May, June, August, September, October and November (30.7°C).
The months with the lowest average high temperature are January and February (29.9°C).
The month with the highest average low temperature is March (25.1°C).
The coldest months (with the lowest average low temperature) are July, August and September (24.2°C).
Average humidity
Chuuk, Micronesia
- Average humidity in January:
78.7% - Average humidity in February:
77.7% - Average humidity in March:
78.7% - Average humidity in April:
81% - Average humidity in May:
82.6% - Average humidity in June:
82.9%
The month with the highest relative humidity is July (83.9%).
The month with the lowest relative humidity is February (77.7%).
Average rainfall
Chuuk, Micronesia
- Average rainfall in January:
228.1mm - Average rainfall in February:
163.1mm - Average rainfall in March:
229.9mm - Average rainfall in April:
291.1mm - Average rainfall in May:
354.1mm - Average rainfall in June:
300.7mm
- Average rainfall in July:
365mm - Average rainfall in August:
349.8mm - Average rainfall in September:
306.6mm - Average rainfall in October:
361.4mm - Average rainfall in November:
281.9mm - Average rainfall in December:
293.4mm
The wettest month (with the highest rainfall) is July (365mm).
The driest month (with the least rainfall) is February (163.1mm).
Average rainfall days
Chuuk, Micronesia
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
21.2 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
21 days - Average rainfall days in September:
18.6 days - Average rainfall days in October:
20 days - Average rainfall days in November:
20 days - Average rainfall days in December:
18.8 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is February (12.2 days).
Average sea temperature
Chuuk, Micronesia
The best months for swimming (with the highest average sea temperature) are January, March, April, May, June, July, August, September, October, November and December (29°C).
The coldest month (with the lowest average sea temperature) is February (28°C).
Average daylight / Average sunshine
Chuuk, Micronesia
- Average daylight in January:
11h and 4min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 3min - Average daylight in June:
12h and 3min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
7h and 1min - Average sunshine in March:
7h and 0min - Average sunshine in April:
6h and 3min - Average sunshine in May:
6h and 1min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
6h and 2min - Average sunshine in August:
6h and 2min - Average sunshine in September:
5h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
5h and 2min
The month with the most sunshine is February (Average sunshine: 7h and 6min).
The month with the least sunshine is October (Average sunshine: 5h and 12min).
Average UV index
Chuuk, Micronesia
The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are November and December (UV index 11).
Chuuk, Micronesia
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