Agana weather by month

Check out Agana weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Agana (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
86°F maximum daytime temperature in January in Agana86
86°F maximum daytime temperature in February in Agana86
86°F maximum daytime temperature in March in Agana86
88°F maximum daytime temperature in April in Agana88
88°F maximum daytime temperature in May in Agana88
88°F maximum daytime temperature in June in Agana88
88°F maximum daytime temperature in July in Agana88
88°F maximum daytime temperature in August in Agana88
88°F maximum daytime temperature in September in Agana88
88°F maximum daytime temperature in October in Agana88
88°F maximum daytime temperature in November in Agana88
86°F maximum daytime temperature in December in Agana86
Min temperature (night-time)
75°F minimum night-time temperature in January in Agana75
75°F minimum night-time temperature in February in Agana75
75°F minimum night-time temperature in March in Agana75
75°F minimum night-time temperature in April in Agana75
77°F minimum night-time temperature in May in Agana77
77°F minimum night-time temperature in June in Agana77
77°F minimum night-time temperature in July in Agana77
77°F minimum night-time temperature in August in Agana77
77°F minimum night-time temperature in September in Agana77
77°F minimum night-time temperature in October in Agana77
77°F minimum night-time temperature in November in Agana77
75°F minimum night-time temperature in December in Agana75
Heat & Humidity
High heat & humidity in January in AganaH
High heat & humidity in February in AganaH
High heat & humidity in March in AganaH
High heat & humidity in April in AganaH
Very high heat & humidity in May in AganaVH
Very high heat & humidity in June in AganaVH
Very high heat & humidity in July in AganaVH
Very high heat & humidity in August in AganaVH
Very high heat & humidity in September in AganaVH
Very high heat & humidity in October in AganaVH
Very high heat & humidity in November in AganaVH
High heat & humidity in December in AganaH
Sea temperature
82°F sea temperature in January in Agana82
81°F sea temperature in February in Agana81
81°F sea temperature in March in Agana81
82°F sea temperature in April in Agana82
82°F sea temperature in May in Agana82
84°F sea temperature in June in Agana84
84°F sea temperature in July in Agana84
84°F sea temperature in August in Agana84
84°F sea temperature in September in Agana84
84°F sea temperature in October in Agana84
84°F sea temperature in November in Agana84
82°F sea temperature in December in Agana82

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Agana

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Agana11
12 hours of daylight per day in February in Agana12
12 hours of daylight per day in March in Agana12
12 hours of daylight per day in April in Agana12
13 hours of daylight per day in May in Agana13
13 hours of daylight per day in June in Agana13
13 hours of daylight per day in July in Agana13
13 hours of daylight per day in August in Agana13
12 hours of daylight per day in September in Agana12
12 hours of daylight per day in October in Agana12
12 hours of daylight per day in November in Agana12
11 hours of daylight per day in December in Agana11
UV Index (Maximum)
UV (maximum) index 10 (Very High) in January in Agana10
UV (maximum) index 11+ (Extreme) in February in Agana11
UV (maximum) index 11+ (Extreme) in March in Agana11
UV (maximum) index 11+ (Extreme) in April in Agana11
UV (maximum) index 11+ (Extreme) in May in Agana11
UV (maximum) index 11+ (Extreme) in June in Agana11
UV (maximum) index 11+ (Extreme) in July in Agana11
UV (maximum) index 11+ (Extreme) in August in Agana11
UV (maximum) index 11+ (Extreme) in September in Agana11
UV (maximum) index 11+ (Extreme) in October in Agana11
UV (maximum) index 10 (Very High) in November in Agana10
UV (maximum) index 9 (Very High) in December in Agana9

Rainfall in Agana

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
23 days with some rainfall in January in Agana23
19 days with some rainfall in February in Agana19
20 days with some rainfall in March in Agana20
19 days with some rainfall in April in Agana19
20 days with some rainfall in May in Agana20
17 days with some rainfall in June in Agana17
19 days with some rainfall in July in Agana19
20 days with some rainfall in August in Agana20
19 days with some rainfall in September in Agana19
22 days with some rainfall in October in Agana22
22 days with some rainfall in November in Agana22
23 days with some rainfall in December in Agana23
Average monthly rainfall (inches)
5.1 inches monthly rainfall in January in Agana5.1
4.4 inches monthly rainfall in February in Agana4.4
3.5 inches monthly rainfall in March in Agana3.5
4.0 inches monthly rainfall in April in Agana4.0
5.6 inches monthly rainfall in May in Agana5.6
6.4 inches monthly rainfall in June in Agana6.4
10.7 inches monthly rainfall in July in Agana10.7
14.3 inches monthly rainfall in August in Agana14.3
13.5 inches monthly rainfall in September in Agana13.5
12.5 inches monthly rainfall in October in Agana12.5
9.0 inches monthly rainfall in November in Agana9.0
5.9 inches monthly rainfall in December in Agana5.9

More about Agana

Agana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Guam, represented by Agana, (Agana) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Agana?

Agana has a hot tropical climate with no dry season.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Agana, Guam typhoon season

% of month affected by tropical storms
1.3%
0
0
1.4%
1.8%
1.7%
4.7%
6.9%
7.6%
7.9%
4.5%
2%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Compare Agana with the USA

Below the Agana chart shows average maximum daytime temperature for Agana, Guam and the USA (Washington).

Maximum daytime temperature (°F)

Agana, Guam
USA (Washington)
86
41
86
45
86
55
88
66
88
75
88
84
88
88
88
86
88
79
88
68
88
57
86
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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