St Petersburg weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in St Petersburg (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	21	21	25	28	30	32	32	32	31	29	25	22
Min temperature (night-time)	10	11	14	17	20	23	24	23	23	19	14	11
Heat & Humidity	0	0	0	L	H	VH	VH	VH	VH	M	L	0
Sea temperature	18	18	19	22	26	28	30	30	29	26	23	20

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

Sunshine & UV index in St Petersburg

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	7	9	10	10	9	9	8	8	8	7	6
Daily hours of daylight	11	11	12	13	14	14	14	13	12	11	11	10
UV Index (Maximum)	5	7	9	10	11	11	11	11	10	8	6	5

Rainfall in St Petersburg

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	7	7	6	4	6	12	15	17	12	7	6	6
Average monthly rainfall (mm)	58	76	84	41	75	133	188	185	156	69	45	59

More about St Petersburg

St Petersburg by month

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

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The climate guide for Florida (St Petersburg) 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 St Petersburg?

St Petersburg has a temperate climate with hot summers and some rainfall in all months.

St Petersburg weather in January

Expect daytime maximum temperatures of 21°C in St Petersburg, Florida in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 58 mm of rainfall in the month.

21
21°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
10
10°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
58
58 mm of monthly rainfall
5
5 (Moderate) UV index
18
18°C sea temperature

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St Petersburg weather in February

Expect daytime maximum temperatures of 21°C in St Petersburg, Florida in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 76 mm of rainfall in the month.

21
21°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
11
11°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
76
76 mm of monthly rainfall
7
7 (High) UV index
18
18°C sea temperature

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St Petersburg weather in March

Expect daytime maximum temperatures of 25°C in St Petersburg, Florida in March based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 84 mm of rainfall in the month.

25
25°C max day temperature
9
9 hours of sunshine per day
6
6 days with some rainfall
14
14°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
84
84 mm of monthly rainfall
9
9 (Very High) UV index
19
19°C sea temperature

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St Petersburg weather in April

Expect daytime maximum temperatures of 28°C in St Petersburg, Florida in April based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 41 mm of rainfall in the month.

28
28°C max day temperature
10
10 hours of sunshine per day
4
4 days with some rainfall
17
17°C min night temperature
13
13 hours of daylight per day
L
Low heat & humidity
41
41 mm of monthly rainfall
10
10 (Very High) UV index
22
22°C sea temperature

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St Petersburg weather in May

Expect daytime maximum temperatures of 30°C in St Petersburg, Florida in May and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 75 mm of rainfall in the month.

30
30°C max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
20
20°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
75
75 mm of monthly rainfall
11
11 (Extreme) UV index
26
26°C sea temperature

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St Petersburg weather in June

Expect daytime maximum temperatures of 32°C in St Petersburg, Florida in June and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 133 mm of rainfall in the month.

32
32°C max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
23
23°C min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
133
133 mm of monthly rainfall
11
11 (Extreme) UV index
28
28°C sea temperature

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St Petersburg weather in July

Expect daytime maximum temperatures of 32°C in St Petersburg, Florida in July and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 15 days with some rainfall and typically 188 mm of rainfall in the month.

32
32°C max day temperature
9
9 hours of sunshine per day
15
15 days with some rainfall
24
24°C min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
188
188 mm of monthly rainfall
11
11 (Extreme) UV index
30
30°C sea temperature

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St Petersburg weather in August

Expect daytime maximum temperatures of 32°C in St Petersburg, Florida in August and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 17 days with some rainfall and typically 185 mm of rainfall in the month.

32
32°C max day temperature
8
8 hours of sunshine per day
17
17 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
185
185 mm of monthly rainfall
11
11 (Extreme) UV index
30
30°C sea temperature

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St Petersburg weather in September

Expect daytime maximum temperatures of 31°C in St Petersburg, Florida in September and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 156 mm of rainfall in the month.

31
31°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
156
156 mm of monthly rainfall
10
10 (Very High) UV index
29
29°C sea temperature

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St Petersburg weather in October

Expect daytime maximum temperatures of 29°C in St Petersburg, Florida in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 69 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
19
19°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
69
69 mm of monthly rainfall
8
8 (Very High) UV index
26
26°C sea temperature

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St Petersburg weather in November

Expect daytime maximum temperatures of 25°C in St Petersburg, Florida in November based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 45 mm of rainfall in the month.

25
25°C max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
14
14°C min night temperature
11
11 hours of daylight per day
L
Low heat & humidity
45
45 mm of monthly rainfall
6
6 (High) UV index
23
23°C sea temperature

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St Petersburg weather in December

Expect daytime maximum temperatures of 22°C in St Petersburg, Florida in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 59 mm of rainfall in the month.