Cayenne weather by month

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

Temperature in Cayenne (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
84°F maximum daytime temperature in January in Cayenne84
84°F maximum daytime temperature in February in Cayenne84
84°F maximum daytime temperature in March in Cayenne84
86°F maximum daytime temperature in April in Cayenne86
84°F maximum daytime temperature in May in Cayenne84
86°F maximum daytime temperature in June in Cayenne86
88°F maximum daytime temperature in July in Cayenne88
90°F maximum daytime temperature in August in Cayenne90
90°F maximum daytime temperature in September in Cayenne90
90°F maximum daytime temperature in October in Cayenne90
88°F maximum daytime temperature in November in Cayenne88
86°F maximum daytime temperature in December in Cayenne86
Min temperature (night-time)
73°F minimum night-time temperature in January in Cayenne73
73°F minimum night-time temperature in February in Cayenne73
73°F minimum night-time temperature in March in Cayenne73
75°F minimum night-time temperature in April in Cayenne75
73°F minimum night-time temperature in May in Cayenne73
73°F minimum night-time temperature in June in Cayenne73
73°F minimum night-time temperature in July in Cayenne73
72°F minimum night-time temperature in August in Cayenne72
73°F minimum night-time temperature in September in Cayenne73
73°F minimum night-time temperature in October in Cayenne73
73°F minimum night-time temperature in November in Cayenne73
73°F minimum night-time temperature in December in Cayenne73
Heat & Humidity
High heat & humidity in January in CayenneH
High heat & humidity in February in CayenneH
High heat & humidity in March in CayenneH
High heat & humidity in April in CayenneH
High heat & humidity in May in CayenneH
Very high heat & humidity in June in CayenneVH
Very high heat & humidity in July in CayenneVH
Very high heat & humidity in August in CayenneVH
Very high heat & humidity in September in CayenneVH
Very high heat & humidity in October in CayenneVH
Very high heat & humidity in November in CayenneVH
High heat & humidity in December in CayenneH
Sea temperature
81°F sea temperature in January in Cayenne81
81°F sea temperature in February in Cayenne81
81°F sea temperature in March in Cayenne81
81°F sea temperature in April in Cayenne81
81°F sea temperature in May in Cayenne81
82°F sea temperature in June in Cayenne82
82°F sea temperature in July in Cayenne82
82°F sea temperature in August in Cayenne82
82°F sea temperature in September in Cayenne82
82°F sea temperature in October in Cayenne82
82°F sea temperature in November in Cayenne82
81°F sea temperature in December in Cayenne81

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

Sunshine & Daylight in Cayenne

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
12 hours of daylight per day in January in Cayenne12
12 hours of daylight per day in February in Cayenne12
12 hours of daylight per day in March in Cayenne12
12 hours of daylight per day in April in Cayenne12
12 hours of daylight per day in May in Cayenne12
12 hours of daylight per day in June in Cayenne12
12 hours of daylight per day in July in Cayenne12
12 hours of daylight per day in August in Cayenne12
12 hours of daylight per day in September in Cayenne12
12 hours of daylight per day in October in Cayenne12
12 hours of daylight per day in November in Cayenne12
12 hours of daylight per day in December in Cayenne12
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Cayenne11
UV (maximum) index 11+ (Extreme) in February in Cayenne11
UV (maximum) index 11+ (Extreme) in March in Cayenne11
UV (maximum) index 11+ (Extreme) in April in Cayenne11
UV (maximum) index 11+ (Extreme) in May in Cayenne11
UV (maximum) index 11+ (Extreme) in June in Cayenne11
UV (maximum) index 11 (Extreme) in July in Cayenne11
UV (maximum) index 11+ (Extreme) in August in Cayenne11
UV (maximum) index 11+ (Extreme) in September in Cayenne11
UV (maximum) index 11+ (Extreme) in October in Cayenne11
UV (maximum) index 11+ (Extreme) in November in Cayenne11
UV (maximum) index 11 (Extreme) in December in Cayenne11

Rainfall in Cayenne

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Cayenne20
16 days with some rainfall in February in Cayenne16
22 days with some rainfall in March in Cayenne22
21 days with some rainfall in April in Cayenne21
26 days with some rainfall in May in Cayenne26
23 days with some rainfall in June in Cayenne23
18 days with some rainfall in July in Cayenne18
9 days with some rainfall in August in Cayenne9
4 days with some rainfall in September in Cayenne4
4 days with some rainfall in October in Cayenne4
11 days with some rainfall in November in Cayenne11
18 days with some rainfall in December in Cayenne18
Average monthly rainfall (inches)
14.4 inches monthly rainfall in January in Cayenne14.4
12.0 inches monthly rainfall in February in Cayenne12.0
14.7 inches monthly rainfall in March in Cayenne14.7
17.3 inches monthly rainfall in April in Cayenne17.3
21.4 inches monthly rainfall in May in Cayenne21.4
16.2 inches monthly rainfall in June in Cayenne16.2
7.9 inches monthly rainfall in July in Cayenne7.9
3.8 inches monthly rainfall in August in Cayenne3.8
1.6 inches monthly rainfall in September in Cayenne1.6
1.8 inches monthly rainfall in October in Cayenne1.8
4.9 inches monthly rainfall in November in Cayenne4.9
11.6 inches monthly rainfall in December in Cayenne11.6

More about Cayenne

Cayenne by month

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

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The climate guide for French Guiana, represented by Cayenne, (Cayenne) 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 Cayenne?

Cayenne has a hot tropical climate with a short dry season.

Metric (°C)  |  Imperial (°F)

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Compare Cayenne with the USA

Below the Cayenne chart shows average maximum daytime temperature for Cayenne, French Guiana and the USA (Washington).

Maximum daytime temperature (°F)

Cayenne, French Guiana
USA (Washington)
84
41
84
45
84
55
86
66
84
75
86
84
88
88
90
86
90
79
90
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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