January weather forecastYap, Micronesia

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. One distinguishing characteristic of the weather in this month is the presence of substantial rainfall, measuring at 186mm (7.32"). This rainfall is consistent across roughly 16.8 days, making January a month characterized by intermittent rainfall. As a result, residents and visitors can anticipate slightly damp conditions, necessitating some degree of preparedness for rain.

Temperature

January proves to be the coldest month, recording an average maximum temperature of 30.1°C (86.2°F) and a minimum temperature of 23.5°C (74.3°F).

Heat index

The average heat index in January is estimated at a very hot 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in January is 82%.

Rainfall

In January, the rain falls for 16.8 days. Throughout January, 186mm (7.32") of precipitation is accumulated. In Yap, Micronesia, during the entire year, the rain falls for 211.6 days and collects up to 3050mm (120.08") of precipitation.

Sea temperature

January through April, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.
Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.

Daylight

In January, the average length of the day is 11h and 38min.
On the first day of January, sunrise is at 07:03 and sunset at 18:38. On the last day of the month, sunrise is at 07:09 and sunset at 18:52 +10.

Sunshine

The average sunshine in January is 6.8h.

UV index

In Yap, the average daily maximum UV index in January is 11. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 11 in January transforms into this advice:
Ensure all key precautions. Defense against sun exposure is critical. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Even if it's cloudy, generously apply and frequently reapply a sunscreen with no less than a 30 sun protection factor after each swim or outdoor exercise. Be wary! Reflections from sand and water make UV radiation more intense.