Agana climate guide

Temperature in Agana (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
30°C maximum daytime temperature in January in Agana30
30°C maximum daytime temperature in February in Agana30
30°C maximum daytime temperature in March in Agana30
31°C maximum daytime temperature in April in Agana31
31°C maximum daytime temperature in May in Agana31
31°C maximum daytime temperature in June in Agana31
31°C maximum daytime temperature in July in Agana31
31°C maximum daytime temperature in August in Agana31
31°C maximum daytime temperature in September in Agana31
31°C maximum daytime temperature in October in Agana31
31°C maximum daytime temperature in November in Agana31
30°C maximum daytime temperature in December in Agana30
Min temperature (night-time)
24°C minimum night-time temperature in January in Agana24
24°C minimum night-time temperature in February in Agana24
24°C minimum night-time temperature in March in Agana24
24°C minimum night-time temperature in April in Agana24
25°C minimum night-time temperature in May in Agana25
25°C minimum night-time temperature in June in Agana25
25°C minimum night-time temperature in July in Agana25
25°C minimum night-time temperature in August in Agana25
25°C minimum night-time temperature in September in Agana25
25°C minimum night-time temperature in October in Agana25
25°C minimum night-time temperature in November in Agana25
24°C minimum night-time temperature in December in Agana24
Sea temperature
28°C sea temperature in January in Agana28
27°C sea temperature in February in Agana27
27°C sea temperature in March in Agana27
28°C sea temperature in April in Agana28
28°C sea temperature in May in Agana28
29°C sea temperature in June in Agana29
29°C sea temperature in July in Agana29
29°C sea temperature in August in Agana29
29°C sea temperature in September in Agana29
29°C sea temperature in October in Agana29
29°C sea temperature in November in Agana29
28°C sea temperature in December in Agana28

Sunshine & Daylight in Agana

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
6 hours of sunshine per day (50% of daylight hours) in January in Agana6
6 hours of sunshine per day (53% of daylight hours) in February in Agana6
7 hours of sunshine per day (58% of daylight hours) in March in Agana7
7 hours of sunshine per day (58% of daylight hours) in April in Agana7
7 hours of sunshine per day (56% of daylight hours) in May in Agana7
7 hours of sunshine per day (50% of daylight hours) in June in Agana7
5 hours of sunshine per day (41% of daylight hours) in July in Agana5
5 hours of sunshine per day (37% of daylight hours) in August in Agana5
5 hours of sunshine per day (38% of daylight hours) in September in Agana5
4 hours of sunshine per day (37% of daylight hours) in October in Agana4
5 hours of sunshine per day (40% of daylight hours) in November in Agana5
5 hours of sunshine per day (41% of daylight hours) in December in Agana5
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

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 (mm)
130 mm monthly rainfall in January in Agana130
111 mm monthly rainfall in February in Agana111
89 mm monthly rainfall in March in Agana89
102 mm monthly rainfall in April in Agana102
142 mm monthly rainfall in May in Agana142
162 mm monthly rainfall in June in Agana162
273 mm monthly rainfall in July in Agana273
363 mm monthly rainfall in August in Agana363
343 mm monthly rainfall in September in Agana343
317 mm monthly rainfall in October in Agana317
228 mm monthly rainfall in November in Agana228
150 mm monthly rainfall in December in Agana150

More climate for Agana

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

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

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More about Agana

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The climate guide for Agana, Guam 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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