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 (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	70	70	77	82	86	90	90	90	88	84	77	72
Min temperature (night-time)	50	52	57	63	68	73	75	73	73	66	57	52
Heat & Humidity	0	0	0	L	H	VH	VH	VH	VH	M	L	0
Sea temperature	64	64	66	72	79	82	86	86	84	79	73	68

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 (inches)	2.3	3.0	3.3	1.6	3.0	5.2	7.4	7.3	6.1	2.7	1.8	2.3

More about St Petersburg

St Petersburg by month

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

Recommended for Florida

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 70°F in St Petersburg, Florida in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.3 inches of rainfall in the month.

70
70°F max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
50
50°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.3
2.3 inches of monthly rainfall
5
5 (Moderate) UV index
64
64°F sea temperature

Back to months

St Petersburg weather in February

Expect daytime maximum temperatures of 70°F in St Petersburg, Florida in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

70
70°F max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
52
52°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
7
7 (High) UV index
64
64°F sea temperature

Back to months

St Petersburg weather in March

Expect daytime maximum temperatures of 77°F in St Petersburg, Florida in March based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.3 inches of rainfall in the month.

77
77°F max day temperature
9
9 hours of sunshine per day
6
6 days with some rainfall
57
57°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
9
9 (Very High) UV index
66
66°F sea temperature

Back to months

St Petersburg weather in April

Expect daytime maximum temperatures of 82°F in St Petersburg, Florida in April based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 1.6 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
63
63°F min night temperature
13
13 hours of daylight per day
L
Low heat & humidity
1.6
1.6 inches of monthly rainfall
10
10 (Very High) UV index
72
72°F sea temperature

Back to months

St Petersburg weather in May

Expect daytime maximum temperatures of 86°F 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 3.0 inches of rainfall in the month.

86
86°F max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
68
68°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
3.0
3.0 inches of monthly rainfall
11
11 (Extreme) UV index
79
79°F sea temperature

Back to months

St Petersburg weather in June

Expect daytime maximum temperatures of 90°F 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 5.2 inches of rainfall in the month.

90
90°F max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
73
73°F min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
5.2
5.2 inches of monthly rainfall
11
11 (Extreme) UV index
82
82°F sea temperature

Back to months

St Petersburg weather in July

Expect daytime maximum temperatures of 90°F 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 7.4 inches of rainfall in the month.

90
90°F max day temperature
9
9 hours of sunshine per day
15
15 days with some rainfall
75
75°F min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
7.4
7.4 inches of monthly rainfall
11
11 (Extreme) UV index
86
86°F sea temperature

Back to months

St Petersburg weather in August

Expect daytime maximum temperatures of 90°F 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 7.3 inches of rainfall in the month.

90
90°F max day temperature
8
8 hours of sunshine per day
17
17 days with some rainfall
73
73°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
7.3
7.3 inches of monthly rainfall
11
11 (Extreme) UV index
86
86°F sea temperature

Back to months

St Petersburg weather in September

Expect daytime maximum temperatures of 88°F 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 6.1 inches of rainfall in the month.

88
88°F max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
6.1
6.1 inches of monthly rainfall
10
10 (Very High) UV index
84
84°F sea temperature

Back to months

St Petersburg weather in October

Expect daytime maximum temperatures of 84°F in St Petersburg, Florida in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 2.7 inches of rainfall in the month.

84
84°F max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
66
66°F min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
2.7
2.7 inches of monthly rainfall
8
8 (Very High) UV index
79
79°F sea temperature

Back to months

St Petersburg weather in November

Expect daytime maximum temperatures of 77°F in St Petersburg, Florida in November based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 1.8 inches of rainfall in the month.

77
77°F max day temperature
7
7 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
1.8
1.8 inches of monthly rainfall
6
6 (High) UV index
73
73°F sea temperature

Back to months

St Petersburg weather in December

Expect daytime maximum temperatures of 72°F in St Petersburg, Florida in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.3 inches of rainfall in the month.