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Contents
- The climate of Yap
- The best time to visit Yap
- The worst time to visit Yap
- Spring weather in Yap
- Summer weather in Yap
- Autumn weather in Yap
- Winter weather in Yap
- 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 Yap
The locale of Yap, Micronesia, is marked by the predominance of an Af or a tropical rainforest climate as per the Köppen climate classification. Geographically positioned within the Pacific Ocean, Yap showcases a nearly equatorial climate with corresponding climatic characteristics. The year-round weather is typified by appreciable levels of humidity, substantial precipitation, and minimal variance in temperatures.
Throughout the year, average high temperatures revolve from 30.1°C (86.2°F) to 31.2°C (88.2°F), while the monthly lows display modest fluctuations between 23.4°C (74.1°F) and 24.1°C (75.4°F). The island's relative humidity circulates from 79% to 84% over the year. The sea temperature maintains year-round consistency staying on 29°C (84.2°F) uniformly for each month.
The rainy season is an integral feature of Yap's climate, with monthly records showing rainfall from 146mm (5.75") to a hefty 386mm (15.2"). Rainfall days range between 12.6 to 21.2 days each month. The sunshine hours are in the range of 5.5h to 8.5h throughout the year and the UV index shows a marginal oscillation, from 10 to 12, indicating a persistently high level of UV radiation.
Throughout the year, average high temperatures revolve from 30.1°C (86.2°F) to 31.2°C (88.2°F), while the monthly lows display modest fluctuations between 23.4°C (74.1°F) and 24.1°C (75.4°F). The island's relative humidity circulates from 79% to 84% over the year. The sea temperature maintains year-round consistency staying on 29°C (84.2°F) uniformly for each month.
The rainy season is an integral feature of Yap's climate, with monthly records showing rainfall from 146mm (5.75") to a hefty 386mm (15.2"). Rainfall days range between 12.6 to 21.2 days each month. The sunshine hours are in the range of 5.5h to 8.5h throughout the year and the UV index shows a marginal oscillation, from 10 to 12, indicating a persistently high level of UV radiation.
The best time to visit Yap
Given the tropical rainforest climate, Yap does not experience extreme variances in temperature or humidity. However, visitors may prefer the period from February to April. During these months, the rainfall decreases significantly, ranging from 146mm (5.75") to 152mm (5.98") compared to other months, and the sunshine hours increase reaching up to 8.5h in April. The average daylight is reasonably long, from 11.8h in February to 12.3h in April, providing ample time to explore the natural beauty of Yap.
The worst time to visit Yap
The period from May to November exhibits the most challenging weather conditions for visitors, featuring the highest rainfall and fewer sunshine hours. The precipitation gauge shows readings between 304mm (11.97") in November to 386mm (15.2") in August, with the number of monthly rainfall days escalating up to 20 to 21 days. The sunshine hours during this period shrink to as low as 5.5h, and the UV index remains stubbornly high at 12.
Spring weather in Yap
The spring months of March, April, and May in Yap represent a transition from relatively drier to a markedly wetter period. During this phase, the highest temperatures span from 30.9°C (87.6°F) in March to 31.1°C (88°F) in April, with the lows hovering from 24°C (75.2°F) to 23.8°C (74.8°F). Humidity ranges from 80% in March and April to 81% in May. Rainfall exhibits a rising trend, increased from 151mm (5.94") in March to 230mm (9.06") in May, with corresponding rainfall days inching upwards from 13.7 to 17.1 days.
Summer weather in Yap
The period of June, July, and August in Yap is characterized by the paramount conditions of the wet season. The upper limit of temperatures fluctuates from 30.7°C (87.3°F) to 30.6°C (87.1°F), while the lower limit remains steady at 23.4°C (74.1°F) in July and August. Humidity is high during these months, oscillating between 83% and 84%. Rainfall is more prominent, with readings from 322mm (12.68") in June to 369mm (14.53") in July, registering 20 to 21 rainfall days per month.
Autumn weather in Yap
Autumn, comprising September, October, and November, manifests continuation of the rain-laden summer weather into the earlier part of the season, tapering off towards November. High temperatures hover between 30.9°C (87.6°F) in September and 30.4°C (86.7°F) in November, with lows from 23.5°C (74.3°F) to 23.8°C (74.8°F). Humidity remains high at 84% in September, easing to 83% by November. The volume of rainfall starts to decline from 343mm (13.5") in September to 230mm (9.06") by November.
Winter weather in Yap
The winter months of December, January, and February signify a slightly less intense phase regarding rainfall. High temperatures vary from 30.7°C (87.3°F) in December to 30.1°C (86.2°F) in January, while lows show a minimal departure, from 23.7°C (74.7°F) to 23.5°C (74.3°F). Humidity remains relatively stable, displaying minor variations from 82% to 81%. Rainfall records show a decline from December's 228mm (8.98") to 186mm (7.32") in February, indicating the onset of the relatively drier season.
Weather in January
The opening month of the year in Yap, Micronesia typically exhibits a blend of warm temperatures and high humidity, despite it being in the core of the winter season. January sees an average high temperature of 30.1°C (86.2°F) and a low of 23.5°C (74.3°F), making for comfortable yet warm days. Weather in January »
Weather in February
Transitioning into February, it becomes noticeable that the weather conditions tend to persist much like in January, albeit with subtle changes. February sees slightly less precipitation, with rainfall dropping to 152mm (5.98") spread across fewer days. Weather in February »
Weather in March
The arrival of March signals a continuation of warm conditions, typical of Yap's tropical setting. In this month, a marginal increase in both the daytime high temperature and night-time low temperature occurs. The decrease in rainfall to 151mm (5.94") and increased daylight hours imply longer, drier periods. Weather in March »
Weather in April
April distinguishes itself as an equally warm month, albeit with a slight dip in relative humidity levels. The average high temperature maintains an upward trend to reach 31.2°C (88.2°F). This temperature increase, paired with rainfall figures reducing to 146mm (5.75"), underscores the prevailing dry, warm climate during April. Weather in April »
Weather in May
Delving into May, the shift in weather dynamics becomes pronounced with a substantial jump in the precipitation levels. An average rainfall of 230mm (9.06") indicates the onset of moister weather conditions. However, temperatures during May retain consistency with previous months, ensuring warm days and nights. Weather in May »
Weather in June
Notable variability in the climatic conditions in Yap is apparent in June. The average rainfall increases considerably to 322mm (12.68"), making it one of the wettest months. Besides, June's humidity level increases, suggesting the overall dampness of the island. Weather in June »
Weather in July
July sees the mercury remain consistent, with high temperatures hovering around a comfortable 30.6°C (87.1°F) margin. The hallmark of July's weather is the peak in precipitation levels, logging rainfall figures at an astonishing 369mm (14.53"). Weather in July »
Weather in August
As the calendar flips to August, there's a maintenance of wet conditions, indicated by a high precipitation level of 386mm (15.2"), the highest among all months. The relative humidity at this time of the year stays high, dense cloud cover is prevalent, and wet conditions persist. Weather in August »
Weather in September
September is another month associated with significant rainfall in Yap, with an average rainfall of 343mm (13.5") recorded. Nevertheless, compared to August, the declining rainfall signals a transition towards drier eras. Temperatures remain steady, and the sea temperatures continue to be warm, making marine activities pleasurable. Weather in September »
Weather in October
October in Yap is synonymous with warm days and reasonably comfortable nights, a trend characteristic of previous months. The distinguishing attribute of October is a marked reduction in average rainfall to 304mm (11.97"), suggestive of drying conditions. Weather in October »
Weather in November
As November sets in, there's a continuation of the declining trend in rainfall, witnessed since September. The reduced precipitation levels of 230mm (9.06"), coupled with increased sunshine hours, create a drier atmosphere. Surprisingly, the temperature, both during the day and at night, sees a marginal increase, maintaining the warmth of the tropical climate. Weather in November »
Weather in December
Wrapping up the year, December weather dynamics in Yap echo those witnessed in November, albeit with minor variations. The rainfall dips further to 228mm (8.98"), indicating dry weather persisting from November. A slight fluctuation in temperature sees the thermometers reading a high of 30.7°C (87.3°F), suggesting consistency in warm climatic conditions. Weather in December »
Updated: Aug 15, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
January is the coldest month, with an average high-temperature of 30.1°C (86.2°F) and an average low-temperature of 23.5°C (74.3°F).
How much does it rain in Yap?
Throughout the year, there are 211.6 rainfall days, and 3050mm (120.08") of precipitation is accumulated.
What are the months with the coldest sea water?
January through April, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.
What are the months with the highest UV index?
The months with the highest UV index are February through October, with an average maximum UV index of 12.
What are the warmest months?
Yap experiences its average highest temperatures in April, reaching a peak of 31.2°C (88.2°F) and a minimum of 24.1°C (75.4°F).
What is the least humid month?
April is the least humid month, with an average relative humidity of 79%.
What is the driest month?
The month with the least rainfall is April, when the rain falls for 12.6 days and typically collects 146mm (5.75") of precipitation.
What month has the most sunshine?
With an average of 8.5h of sunshine, April has the most sunshine of the year.
What are the months with the warmest sea water?
May through December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Yap.
When are the longest days?
June has the longest days of the year, with an average of 12h and 42min of daylight.
What are the most humid months in Yap?
July through October, with an average relative humidity of 84%, are most humid months.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 20.9 days and typically aggregates up to 386mm (15.2") of precipitation.
What is the month with the least sunshine?
The month with the least sunshine is October, with an average of 5.5h of sunshine.
What is the month with the shortest days?
With an average of 11h and 36min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST)?
Yap does not utilize Daylight Saving Time (DST). +10 timezone is used over the entire year.
When is the lowest UV index?
With an average maximum UV index of 10, December is the month with the lowest UV index.
Average temperature
Yap, Micronesia
The warmest month (with the highest average high temperature) is April (31.2°C).
The month with the lowest average high temperature is January (30.1°C).
The month with the highest average low temperature is April (24.1°C).
The coldest months (with the lowest average low temperature) are July and August (23.4°C).
Average humidity
Yap, Micronesia
The months with the highest relative humidity are July, August, September and October (84%).
The month with the lowest relative humidity is April (79%).
Average rainfall
Yap, Micronesia
- Average rainfall in January:
186.2mm - Average rainfall in February:
151.9mm - Average rainfall in March:
151.4mm - Average rainfall in April:
146.3mm - Average rainfall in May:
230.1mm - Average rainfall in June:
322.3mm
- Average rainfall in July:
369.3mm - Average rainfall in August:
386.1mm - Average rainfall in September:
343.2mm - Average rainfall in October:
304mm - Average rainfall in November:
230.4mm - Average rainfall in December:
228.3mm
The wettest month (with the highest rainfall) is August (386.1mm).
The driest month (with the least rainfall) is April (146.3mm).
Average rainfall days
Yap, Micronesia
- Average rainfall days in January:
16.8 days - Average rainfall days in February:
13.4 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
20.2 days
- Average rainfall days in July:
21.2 days - Average rainfall days in August:
20.9 days - Average rainfall days in September:
19.3 days - Average rainfall days in October:
20.1 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
17.6 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is April (12.6 days).
Average sea temperature
Yap, Micronesia
The best months for swimming (with the highest average sea temperature) are May, June, July, August, September, October, November and December (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (28°C).
Average daylight / Average sunshine
Yap, 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 4min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
7h and 4min - Average sunshine in March:
8h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
7h and 5min - Average sunshine in June:
6h and 4min
- Average sunshine in July:
6h and 1min - Average sunshine in August:
5h and 4min - Average sunshine in September:
6h and 0min - Average sunshine in October:
5h and 3min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 2min
The month with the most sunshine is April (Average sunshine: 8h and 30min).
The month with the least sunshine is October (Average sunshine: 5h and 30min).
Average UV index
Yap, Micronesia
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).
Yap, Micronesia
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