Annapolis weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Annapolis (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	5	7	13	18	24	28	31	30	26	20	14	8
Min temperature (night-time)	-4	-3	2	6	12	17	20	19	15	8	4	-1
Heat & Humidity	0	0	0	0	0	M	H	M	L	0	0	0
Sea temperature	3	2	5	10	13	20	24	25	23	18	12	6

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

Sunshine & UV index in Annapolis

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	6	7	8	8	9	9	9	8	7	5	5
Daily hours of daylight	10	11	12	13	14	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	5	6	8	9	9	8	7	4	3	2

Rainfall in Annapolis

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	10	9	10	10	11	9	10	10	7	7	8	9
Average monthly rainfall (mm)	81	77	97	83	100	93	103	108	92	80	88	91

More about Annapolis

Annapolis by month

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

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The climate guide for Maryland (Annapolis) 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 Annapolis?

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

Annapolis weather in January

Expect daytime maximum temperatures of 5°C in Annapolis, Maryland in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 81 mm of rainfall in the month, which might fall as snow.

5
5°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-4
-4°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
2
2 (Low) UV index
3
3°C sea temperature

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Annapolis weather in February

Expect daytime maximum temperatures of 7°C in Annapolis, Maryland in February based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 77 mm of rainfall in the month.

7
7°C max day temperature
6
6 hours of sunshine per day
9
9 days with some rainfall
-3
-3°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
77
77 mm of monthly rainfall
3
3 (Moderate) UV index
2
2°C sea temperature

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Annapolis weather in March

Expect daytime maximum temperatures of 13°C in Annapolis, Maryland in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 97 mm of rainfall in the month.

13
13°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
5
5 (Moderate) UV index
5
5°C sea temperature

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Annapolis weather in April

Expect daytime maximum temperatures of 18°C in Annapolis, Maryland in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 83 mm of rainfall in the month.

18
18°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
6
6°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
83
83 mm of monthly rainfall
6
6 (High) UV index
10
10°C sea temperature

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Annapolis weather in May

Expect daytime maximum temperatures of 24°C in Annapolis, Maryland in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 100 mm of rainfall in the month.

24
24°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
100
100 mm of monthly rainfall
8
8 (Very High) UV index
13
13°C sea temperature

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Annapolis weather in June

Expect daytime maximum temperatures of 28°C in Annapolis, Maryland in June based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 93 mm of rainfall in the month.

28
28°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
17
17°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
93
93 mm of monthly rainfall
9
9 (Very High) UV index
20
20°C sea temperature

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Annapolis weather in July

Expect daytime maximum temperatures of 31°C in Annapolis, Maryland in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 103 mm of rainfall in the month.

31
31°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
20
20°C min night temperature
15
15 hours of daylight per day
H
High heat & humidity
103
103 mm of monthly rainfall
9
9 (Very High) UV index
24
24°C sea temperature

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Annapolis weather in August

Expect daytime maximum temperatures of 30°C in Annapolis, Maryland in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 108 mm of rainfall in the month.

30
30°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
19
19°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
108
108 mm of monthly rainfall
8
8 (Very High) UV index
25
25°C sea temperature

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Annapolis weather in September

Expect daytime maximum temperatures of 26°C in Annapolis, Maryland in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 92 mm of rainfall in the month.

26
26°C max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
92
92 mm of monthly rainfall
7
7 (High) UV index
23
23°C sea temperature

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Annapolis weather in October

Expect daytime maximum temperatures of 20°C in Annapolis, Maryland in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 80 mm of rainfall in the month.

20
20°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
8
8°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
80
80 mm of monthly rainfall
4
4 (Moderate) UV index
18
18°C sea temperature

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Annapolis weather in November

Expect daytime maximum temperatures of 14°C in Annapolis, Maryland in November based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 88 mm of rainfall in the month.

14
14°C max day temperature
5
5 hours of sunshine per day
8
8 days with some rainfall
4
4°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
88
88 mm of monthly rainfall
3
3 (Moderate) UV index
12
12°C sea temperature

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Annapolis weather in December

Expect daytime maximum temperatures of 8°C in Annapolis, Maryland in December based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 91 mm of rainfall in the month.