Cayo Guillermo climate guide

Temperature in Cayo Guillermo (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
27°C maximum daytime temperature in January in Cayo Guillermo27
28°C maximum daytime temperature in February in Cayo Guillermo28
29°C maximum daytime temperature in March in Cayo Guillermo29
31°C maximum daytime temperature in April in Cayo Guillermo31
31°C maximum daytime temperature in May in Cayo Guillermo31
32°C maximum daytime temperature in June in Cayo Guillermo32
33°C maximum daytime temperature in July in Cayo Guillermo33
33°C maximum daytime temperature in August in Cayo Guillermo33
32°C maximum daytime temperature in September in Cayo Guillermo32
31°C maximum daytime temperature in October in Cayo Guillermo31
29°C maximum daytime temperature in November in Cayo Guillermo29
28°C maximum daytime temperature in December in Cayo Guillermo28
Min temperature (night-time)
17°C minimum night-time temperature in January in Cayo Guillermo17
17°C minimum night-time temperature in February in Cayo Guillermo17
18°C minimum night-time temperature in March in Cayo Guillermo18
19°C minimum night-time temperature in April in Cayo Guillermo19
21°C minimum night-time temperature in May in Cayo Guillermo21
23°C minimum night-time temperature in June in Cayo Guillermo23
23°C minimum night-time temperature in July in Cayo Guillermo23
23°C minimum night-time temperature in August in Cayo Guillermo23
22°C minimum night-time temperature in September in Cayo Guillermo22
22°C minimum night-time temperature in October in Cayo Guillermo22
20°C minimum night-time temperature in November in Cayo Guillermo20
18°C minimum night-time temperature in December in Cayo Guillermo18
Sea temperature
25°C sea temperature in January in Cayo Guillermo25
25°C sea temperature in February in Cayo Guillermo25
25°C sea temperature in March in Cayo Guillermo25
26°C sea temperature in April in Cayo Guillermo26
27°C sea temperature in May in Cayo Guillermo27
28°C sea temperature in June in Cayo Guillermo28
29°C sea temperature in July in Cayo Guillermo29
29°C sea temperature in August in Cayo Guillermo29
29°C sea temperature in September in Cayo Guillermo29
28°C sea temperature in October in Cayo Guillermo28
27°C sea temperature in November in Cayo Guillermo27
26°C sea temperature in December in Cayo Guillermo26

Sunshine & Daylight in Cayo Guillermo

  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 Cayo Guillermo11
11 hours of daylight per day in February in Cayo Guillermo11
12 hours of daylight per day in March in Cayo Guillermo12
13 hours of daylight per day in April in Cayo Guillermo13
13 hours of daylight per day in May in Cayo Guillermo13
13 hours of daylight per day in June in Cayo Guillermo13
13 hours of daylight per day in July in Cayo Guillermo13
13 hours of daylight per day in August in Cayo Guillermo13
12 hours of daylight per day in September in Cayo Guillermo12
12 hours of daylight per day in October in Cayo Guillermo12
11 hours of daylight per day in November in Cayo Guillermo11
11 hours of daylight per day in December in Cayo Guillermo11

Rainfall in Cayo Guillermo

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Cayo Guillermo7
5 days with some rainfall in February in Cayo Guillermo5
6 days with some rainfall in March in Cayo Guillermo6
5 days with some rainfall in April in Cayo Guillermo5
12 days with some rainfall in May in Cayo Guillermo12
15 days with some rainfall in June in Cayo Guillermo15
13 days with some rainfall in July in Cayo Guillermo13
15 days with some rainfall in August in Cayo Guillermo15
15 days with some rainfall in September in Cayo Guillermo15
16 days with some rainfall in October in Cayo Guillermo16
9 days with some rainfall in November in Cayo Guillermo9
7 days with some rainfall in December in Cayo Guillermo7
Average monthly rainfall (mm)
43 mm monthly rainfall in January in Cayo Guillermo43
43 mm monthly rainfall in February in Cayo Guillermo43
52 mm monthly rainfall in March in Cayo Guillermo52
60 mm monthly rainfall in April in Cayo Guillermo60
168 mm monthly rainfall in May in Cayo Guillermo168
160 mm monthly rainfall in June in Cayo Guillermo160
90 mm monthly rainfall in July in Cayo Guillermo90
117 mm monthly rainfall in August in Cayo Guillermo117
160 mm monthly rainfall in September in Cayo Guillermo160
182 mm monthly rainfall in October in Cayo Guillermo182
86 mm monthly rainfall in November in Cayo Guillermo86
39 mm monthly rainfall in December in Cayo Guillermo39

More climate for Cayo Guillermo

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 7 (High) in January in Cayo Guillermo7
UV (maximum) index 8 (Very High) in February in Cayo Guillermo8
UV (maximum) index 10 (Very High) in March in Cayo Guillermo10
UV (maximum) index 11+ (Extreme) in April in Cayo Guillermo11
UV (maximum) index 11+ (Extreme) in May in Cayo Guillermo11
UV (maximum) index 11+ (Extreme) in June in Cayo Guillermo11
UV (maximum) index 11+ (Extreme) in July in Cayo Guillermo11
UV (maximum) index 11+ (Extreme) in August in Cayo Guillermo11
UV (maximum) index 11 (Extreme) in September in Cayo Guillermo11
UV (maximum) index 9 (Very High) in October in Cayo Guillermo9
UV (maximum) index 7 (High) in November in Cayo Guillermo7
UV (maximum) index 6 (High) in December in Cayo Guillermo6
Heat & Humidity
Moderate heat & humidity in January in Cayo GuillermoM
Moderate heat & humidity in February in Cayo GuillermoM
Moderate heat & humidity in March in Cayo GuillermoM
High heat & humidity in April in Cayo GuillermoH
High heat & humidity in May in Cayo GuillermoH
Very high heat & humidity in June in Cayo GuillermoVH
Very high heat & humidity in July in Cayo GuillermoVH
Very high heat & humidity in August in Cayo GuillermoVH
Very high heat & humidity in September in Cayo GuillermoVH
High heat & humidity in October in Cayo GuillermoH
High heat & humidity in November in Cayo GuillermoH
Moderate heat & humidity in December in Cayo GuillermoM

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

  • Top deals & discounts
  • Cayo Guillermo weather overview
  • More destinations
  • Best time to go to Cayo Guillermo
  • Cayo Guillermo 5-day weather forecast
  • Cayo Guillermo weather today - current conditions (last 24-hours)

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

The climate guide for Cayo Guillermo, Cuba 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.

First Choice: up to 13% off Cuba holidays

  • Save up to 13% on all inclusive holidays to Cuba
  • Book online with First Choice to receive discount
  • FREE kids places & low deposits also available
Go to First Choice deal >>

View all First Choice offers

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

Back to top

Discover more about Cuba

Where's hot in Cuba?

Below are average maximum temperatures at popular destinations in Cuba for next month - September. Select a destination to see the climate guide for all months of the year.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.