Rockland weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Rockland (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	-1	0	5	11	18	23	26	25	21	15	8	1
Min temperature (night-time)	-12	-10	-4	1	7	12	15	14	10	5	0	-8
Heat & Humidity	0	0	0	0	0	0	L	L	0	0	0	0
Sea temperature	4	3	2	4	7	10	14	14	13	11	9	7

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

Sunshine & UV index in Rockland

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	5	6	6	7	8	8	8	7	5	4	4
Daily hours of daylight	9	10	12	13	15	15	15	14	12	11	10	9
UV Index (Maximum)	1	2	3	5	6	8	8	7	5	3	2	1

Rainfall in Rockland

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	12	10	12	12	12	12	11	10	9	11	12	13
Average monthly rainfall (mm)	99	86	100	101	96	87	79	79	92	101	127	119

More about Rockland

Rockland by month

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

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The climate guide for Maine (Rockland) 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 Rockland?

Rockland has a cold climate with warm summers and some rainfall in all months.

Rockland weather in January

Expect daytime maximum temperatures of -1°C in Rockland, Maine in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 99 mm of rainfall in the month, which might fall as snow.

-1
-1°C max day temperature
4
4 hours of sunshine per day
12
12 days with some rainfall
-12
-12°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
99
99 mm of monthly rainfall
1
1 (Low) UV index
4
4°C sea temperature

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Rockland weather in February

Expect daytime maximum temperatures of 0°C in Rockland, Maine in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 86 mm of rainfall in the month, which might fall as snow.

0
0°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-10
-10°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
86
86 mm of monthly rainfall
2
2 (Low) UV index
3
3°C sea temperature

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Rockland weather in March

Expect daytime maximum temperatures of 5°C in Rockland, Maine in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 100 mm of rainfall in the month, which might fall as snow.

5
5°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
-4
-4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
100
100 mm of monthly rainfall
3
3 (Moderate) UV index
2
2°C sea temperature

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Rockland weather in April

Expect daytime maximum temperatures of 11°C in Rockland, Maine in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 101 mm of rainfall in the month.

11
11°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
1
1°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
101
101 mm of monthly rainfall
5
5 (Moderate) UV index
4
4°C sea temperature

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Rockland weather in May

Expect daytime maximum temperatures of 18°C in Rockland, Maine in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 96 mm of rainfall in the month.

18
18°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
7
7°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
96
96 mm of monthly rainfall
6
6 (High) UV index
7
7°C sea temperature

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Rockland weather in June

Expect daytime maximum temperatures of 23°C in Rockland, Maine in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 87 mm of rainfall in the month.

23
23°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
12
12°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
87
87 mm of monthly rainfall
8
8 (Very High) UV index
10
10°C sea temperature

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Rockland weather in July

Expect daytime maximum temperatures of 26°C in Rockland, Maine in July based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 79 mm of rainfall in the month.

26
26°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
15
15°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
79
79 mm of monthly rainfall
8
8 (Very High) UV index
14
14°C sea temperature

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Rockland weather in August

Expect daytime maximum temperatures of 25°C in Rockland, Maine in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 79 mm of rainfall in the month.

25
25°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
14
14°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
79
79 mm of monthly rainfall
7
7 (High) UV index
14
14°C sea temperature

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Rockland weather in September

Expect daytime maximum temperatures of 21°C in Rockland, Maine in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 92 mm of rainfall in the month.

21
21°C max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
10
10°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
5
5 (Moderate) UV index
13
13°C sea temperature

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Rockland weather in October

Expect daytime maximum temperatures of 15°C in Rockland, Maine in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 101 mm of rainfall in the month.

15
15°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
5
5°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
101
101 mm of monthly rainfall
3
3 (Moderate) UV index
11
11°C sea temperature

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Rockland weather in November

Expect daytime maximum temperatures of 8°C in Rockland, Maine in November based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 127 mm of rainfall in the month.

8
8°C max day temperature
4
4 hours of sunshine per day
12
12 days with some rainfall
0
0°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
127
127 mm of monthly rainfall
2
2 (Low) UV index
9
9°C sea temperature

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Rockland weather in December

Expect daytime maximum temperatures of 1°C in Rockland, Maine in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 13 days with some rainfall and typically 119 mm of rainfall in the month, which might fall as snow.