Duck Key weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Duck Key (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	75	77	79	82	86	88	90	90	90	86	81	77
Min temperature (night-time)	57	57	61	64	70	73	73	73	73	70	64	59
Heat & Humidity	0	L	L	M	H	H	VH	VH	VH	H	M	L
Sea temperature	73	73	75	77	81	84	86	86	84	82	77	75

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

Sunshine & UV index in Duck Key

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	10	10	11	10	10	10	9	8	8	7
Daily hours of daylight	11	11	12	13	13	14	13	13	12	12	11	11
UV Index (Maximum)	6	8	10	11	11	11	11	11	10	9	7	6

Rainfall in Duck Key

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	6	6	5	4	9	13	13	15	16	11	7	6
Average monthly rainfall (inches)	1.8	1.9	2.0	2.4	5.7	9.3	6.4	7.0	8.3	5.9	1.9	1.5

More about Duck Key

Duck Key by month

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

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The climate guide for Florida (Duck Key) 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 Duck Key?

Duck Key has a hot tropical climate with a winter dry season.

Duck Key weather in January

Expect daytime maximum temperatures of 75°F in Duck Key, Florida in January based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.8 inches of rainfall in the month.

75
75°F max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
57
57°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
1.8
1.8 inches of monthly rainfall
6
6 (High) UV index
73
73°F sea temperature

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Duck Key weather in February

Expect daytime maximum temperatures of 77°F in Duck Key, Florida in February based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

77
77°F max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
57
57°F min night temperature
11
11 hours of daylight per day
L
Low heat & humidity
1.9
1.9 inches of monthly rainfall
8
8 (Very High) UV index
73
73°F sea temperature

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Duck Key weather in March

Expect daytime maximum temperatures of 79°F in Duck Key, Florida in March based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.0 inches of rainfall in the month.

79
79°F max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
61
61°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
2.0
2.0 inches of monthly rainfall
10
10 (Very High) UV index
75
75°F sea temperature

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Duck Key weather in April

Expect daytime maximum temperatures of 82°F in Duck Key, Florida in April based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.4 inches of rainfall in the month.

82
82°F max day temperature
10
10 hours of sunshine per day
4
4 days with some rainfall
64
64°F min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
2.4
2.4 inches of monthly rainfall
11
11 (Extreme) UV index
77
77°F sea temperature

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Duck Key weather in May

Expect daytime maximum temperatures of 86°F in Duck Key, Florida in May and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 5.7 inches of rainfall in the month.

86
86°F max day temperature
11
11 hours of sunshine per day
9
9 days with some rainfall
70
70°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
5.7
5.7 inches of monthly rainfall
11
11 (Extreme) UV index
81
81°F sea temperature

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Duck Key weather in June

Expect daytime maximum temperatures of 88°F in Duck Key, Florida in June and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with 13 days with some rainfall and typically 9.3 inches of rainfall in the month.

88
88°F max day temperature
10
10 hours of sunshine per day
13
13 days with some rainfall
73
73°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
9.3
9.3 inches of monthly rainfall
11
11 (Extreme) UV index
84
84°F sea temperature

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Duck Key weather in July

Expect daytime maximum temperatures of 90°F in Duck Key, Florida in July and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with 13 days with some rainfall and typically 6.4 inches of rainfall in the month.

90
90°F max day temperature
10
10 hours of sunshine per day
13
13 days with some rainfall
73
73°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
6.4
6.4 inches of monthly rainfall
11
11 (Extreme) UV index
86
86°F sea temperature

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Duck Key weather in August

Expect daytime maximum temperatures of 90°F in Duck Key, Florida in August and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with 15 days with some rainfall and typically 7.0 inches of rainfall in the month.

90
90°F max day temperature
10
10 hours of sunshine per day
15
15 days with some rainfall
73
73°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
7.0
7.0 inches of monthly rainfall
11
11 (Extreme) UV index
86
86°F sea temperature

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Duck Key weather in September

Expect daytime maximum temperatures of 90°F in Duck Key, Florida in September and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 16 days with some rainfall and typically 8.3 inches of rainfall in the month.

90
90°F max day temperature
9
9 hours of sunshine per day
16
16 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
8.3
8.3 inches of monthly rainfall
10
10 (Very High) UV index
84
84°F sea temperature

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Duck Key weather in October

Expect daytime maximum temperatures of 86°F in Duck Key, Florida in October and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 5.9 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
70
70°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
5.9
5.9 inches of monthly rainfall
9
9 (Very High) UV index
82
82°F sea temperature

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Duck Key weather in November

Expect daytime maximum temperatures of 81°F in Duck Key, Florida in November based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

81
81°F max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
64
64°F min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
1.9
1.9 inches of monthly rainfall
7
7 (High) UV index
77
77°F sea temperature

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Duck Key weather in December

Expect daytime maximum temperatures of 77°F in Duck Key, Florida in December based on long-term weather averages. There are 7 hours of sunshine per day on average.