April weather forecastSanta Rita, GU
April
Weather in April
April shows a reversal in rainfall tendencies with a jump to 2.44" (62mm) over 19.3 days, reflecting the unpredictability of nature. Temperatures steadily climb, deeming this month suitable for a wide variety of activities. The sea temperature also follows suit, making it a favorable time for swimming and diving. Compared to March, Santa Rita experiences more sunlight hours, which amplify the enchantment of Guam landscapes.Temperature
With the onset of April, the average high-temperature stands at a still warm 82.9°F (28.3°C), closely aligned with March's 82°F (27.8°C). A consistent average low of 81.1°F (27.3°C) is noted throughout April, only a small step down from its daytime high.Heat index
The heat index for April is calculated to be a hot 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The months with the highest humidity are January, March through May, October through December, with an average relative humidity of 78%.Rainfall
In Santa Rita, during April, the rain falls for 19.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.Ocean temperature
In Santa Rita, the average seawater temperature in April is 82.9°F (28.3°C).Note: Water temperatures in the range of 77°F (25°C) to 84.2°F (29°C) are warm and delightful, ensuring comfort during water activities over extended periods.
Daylight
In Santa Rita, the average length of the day in April is 12h and 26min.On the first day of April, sunrise is at 6:17 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:36 pm ChST.
Sunshine
The average sunshine in April is 8.5h.UV index
The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 7 during April leads to these instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! The reflection of water and sand increases the UV radiation significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Santa Rita, GU
- Average high temperature in April: 82.9°F
The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is February (81.7°F).
- Average low temperature in April: 81.1°F
The month with the highest average low temperature is June (83.3°F).
The coldest month (with the lowest average low temperature) is February (79.7°F).
Average pressure in April
Santa Rita, GU
- Average pressure in April: 29.86"Hg
The month with the highest atmospheric pressure is February (29.88"Hg).
The months with the lowest atmospheric pressure are August, September and October (29.79"Hg).
Average wind speed in April
Santa Rita, GU
- Average wind speed in April: 13.7mph
The windiest month (with the highest average wind speed) is February (16.3mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in April
Santa Rita, GU
- Average humidity in April: 78%
The months with the highest relative humidity are January, March, April, May, October, November and December (78%).
The month with the lowest relative humidity is August (76%).
Average rainfall in April
Santa Rita, GU
- Average rainfall in April: 2.44"
The wettest month (with the highest rainfall) is September (10.28").
The driest month (with the least rainfall) is March (1.81").
Average rainfall days in April
Santa Rita, GU
- Average rainfall days in April: 19.3 days
The months with the highest number of rainy days are July and August (28.9 days).
The month with the least rainy days is February (17.5 days).
Average sea temperature in April
Santa Rita, GU
- Average sea temperature in April: 82.9°F
The best month for swimming (with the highest average sea temperature) is August (85.4°F).
The coldest month (with the lowest average sea temperature) is February (82°F).
Average daylight in April /
Average sunshine in April
Santa Rita, GU
- Average daylight in April: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in April
Santa Rita, GU
- Average sunshine days in April: 5.8 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is September (1.1 days).
Average UV index in April
Santa Rita, GU
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
The month with the lowest UV index is September (UV index 6).
Average cloud cover in April
Santa Rita, GU
- Average cloud cover in April: 40
The months with the most cloud cover are January, August and October (Cloud cover 46).
The months with the least cloud cover are May and June (Cloud cover 39).
Average visibility in April
Santa Rita, GU
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
