Crystal River weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Crystal River (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	68	70	77	82	88	91	91	91	90	84	77	70
Min temperature (night-time)	45	46	52	57	64	70	72	72	70	61	54	46
Heat & Humidity	0	0	0	M	H	VH	VH	VH	VH	M	0	0
Sea temperature	63	63	66	72	79	82	86	86	82	79	72	66

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

Sunshine & UV index in Crystal River

	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)	4	6	9	10	10	11	11	10	9	7	5	4

Rainfall in Crystal River

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	8	7	7	5	7	13	15	16	12	7	6	7
Average monthly rainfall (inches)	3.3	3.7	4.2	2.3	3.7	7.0	7.7	8.4	6.3	2.3	2.2	2.9

More about Crystal River

Crystal River 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 (Crystal River) 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 Crystal River?

Crystal River has a temperate climate with hot summers and some rainfall in all months.

Crystal River weather in January

Expect daytime maximum temperatures of 68°F in Crystal River, Florida in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.3 inches of rainfall in the month.

68
68°F max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
45
45°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
4
4 (Moderate) UV index
63
63°F sea temperature

Back to months

Crystal River weather in February

Expect daytime maximum temperatures of 70°F in Crystal River, Florida in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.7 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
46
46°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.7
3.7 inches of monthly rainfall
6
6 (High) UV index
63
63°F sea temperature

Back to months

Crystal River weather in March

Expect daytime maximum temperatures of 77°F in Crystal River, Florida in March based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.2 inches of rainfall in the month.

77
77°F max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
52
52°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.2
4.2 inches of monthly rainfall
9
9 (Very High) UV index
66
66°F sea temperature

Back to months

Crystal River weather in April

Expect daytime maximum temperatures of 82°F in Crystal River, Florida in April based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.3 inches of rainfall in the month.

82
82°F max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
57
57°F min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
2.3
2.3 inches of monthly rainfall
10
10 (Very High) UV index
72
72°F sea temperature

Back to months

Crystal River weather in May

Expect daytime maximum temperatures of 88°F in Crystal River, 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 3.7 inches of rainfall in the month.

88
88°F max day temperature
10
10 hours of sunshine per day
7
7 days with some rainfall
64
64°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
3.7
3.7 inches of monthly rainfall
10
10 (Very High) UV index
79
79°F sea temperature

Back to months

Crystal River weather in June

Expect daytime maximum temperatures of 91°F in Crystal River, 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 13 days with some rainfall and typically 7.0 inches of rainfall in the month.

91
91°F max day temperature
9
9 hours of sunshine per day
13
13 days with some rainfall
70
70°F min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
7.0
7.0 inches of monthly rainfall
11
11 (Extreme) UV index
82
82°F sea temperature

Back to months

Crystal River weather in July

Expect daytime maximum temperatures of 91°F in Crystal River, 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 7.7 inches of rainfall in the month.

91
91°F max day temperature
9
9 hours of sunshine per day
15
15 days with some rainfall
72
72°F min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
7.7
7.7 inches of monthly rainfall
11
11 (Extreme) UV index
86
86°F sea temperature

Back to months

Crystal River weather in August

Expect daytime maximum temperatures of 91°F in Crystal River, 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 16 days with some rainfall and typically 8.4 inches of rainfall in the month.

91
91°F max day temperature
8
8 hours of sunshine per day
16
16 days with some rainfall
72
72°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
8.4
8.4 inches of monthly rainfall
10
10 (Very High) UV index
86
86°F sea temperature

Back to months

Crystal River weather in September

Expect daytime maximum temperatures of 90°F in Crystal River, 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 6.3 inches of rainfall in the month.

90
90°F max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
70
70°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
6.3
6.3 inches of monthly rainfall
9
9 (Very High) UV index
82
82°F sea temperature

Back to months

Crystal River weather in October

Expect daytime maximum temperatures of 84°F in Crystal River, Florida in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 2.3 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
61
61°F min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
2.3
2.3 inches of monthly rainfall
7
7 (High) UV index
79
79°F sea temperature

Back to months

Crystal River weather in November

Expect daytime maximum temperatures of 77°F in Crystal River, Florida in November based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.2 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
54
54°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
5
5 (Moderate) UV index
72
72°F sea temperature

Back to months

Crystal River weather in December

Expect daytime maximum temperatures of 70°F in Crystal River, Florida in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.9 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
7
7 days with some rainfall
46
46°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
4
4 (Moderate) UV index
66
66°F sea temperature

Back to months