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Weather in Guam for May 2025

Your guide to Guam weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Guam at the beginning of May is 28.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.6 °C by the end of May.

  • Rain 🌧️

  • Guam experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 408.7 mm.

Average dry days
5
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/26°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Guam in May average weather

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Temperatures trend during May in Guam

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
29° /26° 0.9 mm 6
2 May Patchy rain possible
Patchy rain possible
29° /26° 3.5 mm 6
3 May Cloudy
Cloudy
29° /26° 1.1 mm 6
4 May Cloudy
Cloudy
28° /25° 0.5 mm 6
5 May Patchy rain possible
Patchy rain possible
29° /25° 1.6 mm 6
6 May Patchy rain possible
Patchy rain possible
29° /26° 1.3 mm 6
7 May Patchy rain possible
Patchy rain possible
29° /26° 1.7 mm 6
8 May Patchy rain possible
Patchy rain possible
29° /26° 2.5 mm 6
9 May Overcast
Overcast
29° /26° 2.4 mm 6
10 May Patchy rain possible
Patchy rain possible
29° /26° 2.2 mm 6
11 May Patchy rain possible
Patchy rain possible
29° /26° 2.7 mm 6
12 May Patchy rain possible
Patchy rain possible
30° /26° 1.9 mm 7
13 May Patchy rain possible
Patchy rain possible
29° /26° 2.4 mm 6
14 May Patchy rain possible
Patchy rain possible
30° /26° 3.3 mm 7
15 May Patchy rain possible
Patchy rain possible
30° /27° 1.2 mm 7
16 May Moderate or heavy rain shower
Moderate or heavy rain shower
30° /27° 3.5 mm 7
17 May Cloudy
Cloudy
30° /27° 0.6 mm 7
18 May Patchy rain possible
Patchy rain possible
30° /26° 1.4 mm 7
19 May Patchy rain possible
Patchy rain possible
29° /26° 1.5 mm 6
20 May Cloudy
Cloudy
30° /27° 0.4 mm 7
21 May Patchy rain possible
Patchy rain possible
29° /27° 7.9 mm 6
22 May Heavy rain at times
Heavy rain at times
29° /27° 2.7 mm 6
23 May Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 33.3 mm 6
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 187.4 mm 6
25 May Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 89.7 mm 7
26 May Patchy rain possible
Patchy rain possible
29° /26° 0.5 mm 7
27 May Heavy rain at times
Heavy rain at times
29° /25° 5.3 mm 6
28 May Moderate rain at times
Moderate rain at times
29° /26° 1.7 mm 6
29 May Moderate or heavy rain shower
Moderate or heavy rain shower
29° /26° 6 mm 6
30 May Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 18.2 mm 6
31 May Moderate or heavy rain shower
Moderate or heavy rain shower
28° /25° 19.5 mm 6
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Important Notice
Our weather forecast for Guam in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guam forecast closer to your planned date for the most up-to-date weather information.

Guam in May - FAQ

What are the expected maximum and minimum temperatures in Guam during May?
During May, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guam during May?
Significant rainfall exceeding 408.7 mm is expected in Guam during May, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guam during May?
The average wind speed in Guam during May is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Guam

Explore the daily rainfall trends and prepare for Guams May weather 💧

UV exposure in Guam during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Guam?

Get accurate weather forecasts for Guam, located at latitude 13.518 and longitude 144.839. Stay updated with localized weather information tailored for Guam.

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