Roanoke Island weather by month

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

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Roanoke Island (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	11	11	16	20	24	28	30	30	27	22	18	13
Min temperature (night-time)	1	2	5	9	14	19	21	21	18	12	8	3
Heat & Humidity	0	0	0	0	0	M	H	H	M	0	0	0
Sea temperature	13	11	12	15	19	23	26	26	24	21	17	15

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

Sunshine & Daylight in Roanoke Island

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

Rainfall in Roanoke Island

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	10	10	9	10	10	12	11	8	8	8	10
Average monthly rainfall (mm)	115	96	104	81	102	102	130	144	118	103	96	94

More about Roanoke Island

Roanoke Island by month

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

Recommended for North Carolina

Cosmos: Flight-inclusive tours from £1,199

Sale

Book tours with flights from just £999 per person
Pay low deposits from £150 per person to secure tour
Travel before 31st December 2025 (inclusive)

Go to Cosmos deal >>

Expires at 23:59 on Tuesday 1st Jul 2025 · View all Cosmos offers

The climate guide for North Carolina (Roanoke Island) 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 Roanoke Island?

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

Roanoke Island weather in January

Expect daytime maximum temperatures of 11°C in Roanoke Island, North Carolina in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 115 mm of rainfall in the month.

11
11°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
115
115 mm of monthly rainfall
3
3 (Moderate) UV index
13
13°C sea temperature

Back to months

Roanoke Island weather in February

Expect daytime maximum temperatures of 11°C in Roanoke Island, North Carolina in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 96 mm of rainfall in the month.

11
11°C max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
2
2°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
96
96 mm of monthly rainfall
4
4 (Moderate) UV index
11
11°C sea temperature

Back to months

Roanoke Island weather in March

Expect daytime maximum temperatures of 16°C in Roanoke Island, North Carolina 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 104 mm of rainfall in the month.

16
16°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
5
5°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
104
104 mm of monthly rainfall
6
6 (High) UV index
12
12°C sea temperature

Back to months

Roanoke Island weather in April

Expect daytime maximum temperatures of 20°C in Roanoke Island, North Carolina in April based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 81 mm of rainfall in the month.

20
20°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
9
9°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
7
7 (High) UV index
15
15°C sea temperature

Back to months

Roanoke Island weather in May

Expect daytime maximum temperatures of 24°C in Roanoke Island, North Carolina in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 102 mm of rainfall in the month.

24
24°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
14
14°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
102
102 mm of monthly rainfall
9
9 (Very High) UV index
19
19°C sea temperature

Back to months

Roanoke Island weather in June

Expect daytime maximum temperatures of 28°C in Roanoke Island, North Carolina in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 102 mm of rainfall in the month.

28
28°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
19
19°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
102
102 mm of monthly rainfall
10
10 (Very High) UV index
23
23°C sea temperature

Back to months

Roanoke Island weather in July

Expect daytime maximum temperatures of 30°C in Roanoke Island, North Carolina in July and 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 130 mm of rainfall in the month.

30
30°C max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
21
21°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
130
130 mm of monthly rainfall
10
10 (Very High) UV index
26
26°C sea temperature

Back to months

Roanoke Island weather in August

Expect daytime maximum temperatures of 30°C in Roanoke Island, North Carolina in August 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 144 mm of rainfall in the month.

30
30°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
21
21°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
144
144 mm of monthly rainfall
9
9 (Very High) UV index
26
26°C sea temperature

Back to months

Roanoke Island weather in September

Expect daytime maximum temperatures of 27°C in Roanoke Island, North Carolina in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 118 mm of rainfall in the month.

27
27°C max day temperature
8
8 hours of sunshine per day
8
8 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
118
118 mm of monthly rainfall
8
8 (Very High) UV index
24
24°C sea temperature

Back to months

Roanoke Island weather in October

Expect daytime maximum temperatures of 22°C in Roanoke Island, North Carolina in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 103 mm of rainfall in the month.

22
22°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
12
12°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
103
103 mm of monthly rainfall
5
5 (Moderate) UV index
21
21°C sea temperature

Back to months

Roanoke Island weather in November

Expect daytime maximum temperatures of 18°C in Roanoke Island, North Carolina in November based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 96 mm of rainfall in the month.

18
18°C max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
8
8°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
96
96 mm of monthly rainfall
3
3 (Moderate) UV index
17
17°C sea temperature

Back to months

Roanoke Island weather in December

Expect daytime maximum temperatures of 13°C in Roanoke Island, North Carolina in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 94 mm of rainfall in the month.

13
13°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
3
3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
94
94 mm of monthly rainfall
2
2 (Low) UV index
15
15°C sea temperature

Back to months