Rockland, Maine - Detailed climate information and monthly weather forecast

Warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (-1.1°C).

The average low temperature in January:
-12.2°C
The average low temperature in February:
-10°C
The average low temperature in March:
-5.6°C
The average low temperature in April:
0.6°C
The average low temperature in May:
6.1°C
The average low temperature in June:
11.7°C

The average low temperature in July:
15°C
The average low temperature in August:
14.4°C
The average low temperature in September:
10°C
The average low temperature in October:
3.9°C
The average low temperature in November:
-1.1°C
The average low temperature in December:
-7.8°C

The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-12.2°C).

[Resources]

The average rainfall in January:
108.2mm
The average rainfall in February:
101.6mm
The average rainfall in March:
121.9mm
The average rainfall in April:
127.5mm
The average rainfall in May:
105.2mm
The average rainfall in June:
103.1mm

The average rainfall in July:
87.1mm
The average rainfall in August:
83.3mm
The average rainfall in September:
114.6mm
The average rainfall in October:
130.6mm
The average rainfall in November:
145mm
The average rainfall in December:
126.7mm

The wettest month (with the highest rainfall) is November (145mm).
The driest month (with the lowest rainfall) is August (83.3mm).

[Resources]

The average rainfall days in January:
12 days
The average rainfall days in February:
10 days
The average rainfall days in March:
12 days
The average rainfall days in April:
12 days
The average rainfall days in May:
12 days
The average rainfall days in June:
12 days

The average rainfall days in July:
11 days
The average rainfall days in August:
10 days
The average rainfall days in September:
9 days
The average rainfall days in October:
11 days
The average rainfall days in November:
12 days
The average rainfall days in December:
13 days

The month with the highest number of rainy days is December (13 days).
The month with the lowest number of rainy days is September (9 days).

[Resources]

The average sea temperature in January:
6°C
The average sea temperature in February:
5°C
The average sea temperature in March:
4°C
The average sea temperature in April:
5°C
The average sea temperature in May:
8°C
The average sea temperature in June:
11°C

The average sea temperature in July:
14°C
The average sea temperature in August:
15°C
The average sea temperature in September:
13°C
The average sea temperature in October:
11°C
The average sea temperature in November:
9°C
The average sea temperature in December:
8°C

The best month for swimming (with the highest average sea temperature) is August (15°C).
The coldest month (with the lowest average sea temperature) is March (4°C).

[Resources]

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

Months with most sunshine are June, July and August (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 4).

[Resources]