Weather in Guam in April 2026
Average weather
Average temperature in Guam in April
The temperature in April is +30°C on average, with a range between a maximum of +31°C during the day and a minimum of +24°C at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +31°C to +31°C.
Is Guam warm or cold in April?
Guam is typically warm in April.
Maximum temperatures go up compared to the previous month from +28°C to +29°C. The minimum temperature also goes up from +25°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how April is compared to other months in Guam:
Climate in Guam in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +29°C | +29°C | ||||
| Min. temperature | ||||||
| +21°C | +23°C | +23°C | ||||
| Max. temperature | ||||||
| +32°C | +34°C | +34°C | ||||
| Rainfall | ||||||
| 70 mm | 101 mm | 132 mm | ||||
| Wind | ||||||
| 5 m/s | 5 m/s | 4 m/s | ||||
| Humidity | ||||||
| 78% | 79% | 79% | ||||
| Air pressure | ||||||
| 1011 HPa | 1010 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 5 | 3 | 3 | ||||
| Rainy days | ||||||
| 24 | 24 | 26 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +28°C to +29°C during the day. Prepare for more rain. Average rainfall goes from 70 mm to 101 mm. Humidity rises from 78% to 79%. The average wind speed doesn’t change much during April, staying around 5 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
May brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Guam is gradually increasing during April, going from 4 m/s to 6 m/s over the course of the month.
Rain
How was the weather last April in Guam?
Climate Change over Years
The climate in Guam in April has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+27°C) and the highest in 2018 (+31°C). The driest year was 1983 with only 1154 mm of rainfall, and the wettest year was 2023 with 4623 mm.
FAQ
Is April a good time to visit Guam?
Can you sunbathe in Guam in April?
Is Guam rainy in April?
Is it sunny in Guam in April?
Monthly weather in Guam
Source of the data
For this page, we’ve looked at the typical weather in Guam, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
