Hilo, Big Island weather by month

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

Temperature in Hilo, Big Island (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
21°C maximum daytime temperature in January in Hilo, Big Island21
21°C maximum daytime temperature in February in Hilo, Big Island21
21°C maximum daytime temperature in March in Hilo, Big Island21
22°C maximum daytime temperature in April in Hilo, Big Island22
23°C maximum daytime temperature in May in Hilo, Big Island23
24°C maximum daytime temperature in June in Hilo, Big Island24
24°C maximum daytime temperature in July in Hilo, Big Island24
24°C maximum daytime temperature in August in Hilo, Big Island24
24°C maximum daytime temperature in September in Hilo, Big Island24
24°C maximum daytime temperature in October in Hilo, Big Island24
23°C maximum daytime temperature in November in Hilo, Big Island23
22°C maximum daytime temperature in December in Hilo, Big Island22
Min temperature (night-time)
13°C minimum night-time temperature in January in Hilo, Big Island13
13°C minimum night-time temperature in February in Hilo, Big Island13
13°C minimum night-time temperature in March in Hilo, Big Island13
14°C minimum night-time temperature in April in Hilo, Big Island14
15°C minimum night-time temperature in May in Hilo, Big Island15
16°C minimum night-time temperature in June in Hilo, Big Island16
16°C minimum night-time temperature in July in Hilo, Big Island16
16°C minimum night-time temperature in August in Hilo, Big Island16
16°C minimum night-time temperature in September in Hilo, Big Island16
16°C minimum night-time temperature in October in Hilo, Big Island16
15°C minimum night-time temperature in November in Hilo, Big Island15
14°C minimum night-time temperature in December in Hilo, Big Island14
Heat & Humidity
Low heat & humidity in January in Hilo, Big IslandL
Low heat & humidity in February in Hilo, Big IslandL
Low heat & humidity in March in Hilo, Big IslandL
Low heat & humidity in April in Hilo, Big IslandL
Moderate heat & humidity in May in Hilo, Big IslandM
Moderate heat & humidity in June in Hilo, Big IslandM
Moderate heat & humidity in July in Hilo, Big IslandM
Moderate heat & humidity in August in Hilo, Big IslandM
Moderate heat & humidity in September in Hilo, Big IslandM
Moderate heat & humidity in October in Hilo, Big IslandM
Moderate heat & humidity in November in Hilo, Big IslandM
Low heat & humidity in December in Hilo, Big IslandL
Sea temperature
24°C sea temperature in January in Hilo, Big Island24
24°C sea temperature in February in Hilo, Big Island24
24°C sea temperature in March in Hilo, Big Island24
24°C sea temperature in April in Hilo, Big Island24
25°C sea temperature in May in Hilo, Big Island25
25°C sea temperature in June in Hilo, Big Island25
26°C sea temperature in July in Hilo, Big Island26
26°C sea temperature in August in Hilo, Big Island26
27°C sea temperature in September in Hilo, Big Island27
26°C sea temperature in October in Hilo, Big Island26
26°C sea temperature in November in Hilo, Big Island26
25°C sea temperature in December in Hilo, Big Island25

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

Sunshine & Daylight in Hilo, Big Island

  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 Hilo, Big Island11
12 hours of daylight per day in February in Hilo, Big Island12
12 hours of daylight per day in March in Hilo, Big Island12
13 hours of daylight per day in April in Hilo, Big Island13
13 hours of daylight per day in May in Hilo, Big Island13
13 hours of daylight per day in June in Hilo, Big Island13
13 hours of daylight per day in July in Hilo, Big Island13
13 hours of daylight per day in August in Hilo, Big Island13
12 hours of daylight per day in September in Hilo, Big Island12
12 hours of daylight per day in October in Hilo, Big Island12
11 hours of daylight per day in November in Hilo, Big Island11
11 hours of daylight per day in December in Hilo, Big Island11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in Hilo, Big Island8
UV (maximum) index 10 (Very High) in February in Hilo, Big Island10
UV (maximum) index 11+ (Extreme) in March in Hilo, Big Island11
UV (maximum) index 11+ (Extreme) in April in Hilo, Big Island11
UV (maximum) index 11+ (Extreme) in May in Hilo, Big Island11
UV (maximum) index 11+ (Extreme) in June in Hilo, Big Island11
UV (maximum) index 11+ (Extreme) in July in Hilo, Big Island11
UV (maximum) index 11+ (Extreme) in August in Hilo, Big Island11
UV (maximum) index 11+ (Extreme) in September in Hilo, Big Island11
UV (maximum) index 10 (Very High) in October in Hilo, Big Island10
UV (maximum) index 8 (Very High) in November in Hilo, Big Island8
UV (maximum) index 7 (High) in December in Hilo, Big Island7

Rainfall in Hilo, Big Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
13 days with some rainfall in January in Hilo, Big Island13
12 days with some rainfall in February in Hilo, Big Island12
16 days with some rainfall in March in Hilo, Big Island16
16 days with some rainfall in April in Hilo, Big Island16
14 days with some rainfall in May in Hilo, Big Island14
14 days with some rainfall in June in Hilo, Big Island14
16 days with some rainfall in July in Hilo, Big Island16
15 days with some rainfall in August in Hilo, Big Island15
14 days with some rainfall in September in Hilo, Big Island14
15 days with some rainfall in October in Hilo, Big Island15
14 days with some rainfall in November in Hilo, Big Island14
14 days with some rainfall in December in Hilo, Big Island14
Average monthly rainfall (mm)
235 mm monthly rainfall in January in Hilo, Big Island235
243 mm monthly rainfall in February in Hilo, Big Island243
341 mm monthly rainfall in March in Hilo, Big Island341
293 mm monthly rainfall in April in Hilo, Big Island293
206 mm monthly rainfall in May in Hilo, Big Island206
187 mm monthly rainfall in June in Hilo, Big Island187
275 mm monthly rainfall in July in Hilo, Big Island275
250 mm monthly rainfall in August in Hilo, Big Island250
252 mm monthly rainfall in September in Hilo, Big Island252
248 mm monthly rainfall in October in Hilo, Big Island248
394 mm monthly rainfall in November in Hilo, Big Island394
294 mm monthly rainfall in December in Hilo, Big Island294

More about Hilo, Big Island

Hilo, Big Island by month

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

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The climate guide for Hawaii (Hilo, Big Island) 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 Hilo, Big Island?

Hilo, Big Island has a hot tropical climate with no dry season.

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

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Tropical storm risk: Hilo, Big Island, Hawaii hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
1.3%
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Hilo, Big Island with the USA

Below the Hilo, Big Island chart shows average maximum daytime temperature for Hilo, Big Island, Hawaii, USA and the USA (Washington).

Maximum daytime temperature (°C)

Hilo, Big Island, Hawaii, USA
USA (Washington)
21
5
21
7
21
13
22
19
23
24
24
29
24
31
24
30
24
26
24
20
23
14
22
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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