Rockland weather by month & the best time to visit
🇺🇸 United States · seaside town · continental climate
The best time to visit Rockland is July — its sunniest month (Sunshine Score 76/100), with August and September close behind. Rockland averages about 2,138 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 85 mm of rain in July.
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- Sun hours / year
- 2,138
- Sunniest month
- July
- Peak score
- 76/100
- Rain / year
- 1,301 mm
- Snow / year
- ≈2 m
- Midday UV at peak
- 7 (high)
- Sea at warmest
- 19°C / 66°F
- Population
- 18k
- Elevation
- 14 m
When is the best time to visit Rockland?
For sunshine, the best time to visit Rockland is July, then August and September. The dullest month is January (0/100, 99 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rockland?
Rockland gets a moderate 2,138 hours of sunshine a year. 76 Sunshine Score points separate July (76) from January (0), so the month you pick matters. It ranks #351 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,301 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 0° / 32°F | -7° / 19°F | 99 mm | 1 | 4° / 39°F |
| February | 0 | 0° / 32°F | -7° / 19°F | 95 mm | 2 | 3° / 37°F |
| March | 0 | 3° / 37°F | -3° / 27°F | 97 mm | 3 | 4° / 39°F |
| April | 6 | 9° / 48°F | 2° / 36°F | 110 mm | 4 | 6° / 43°F |
| May | 37 | 14° / 57°F | 7° / 45°F | 94 mm | 5 | 11° / 52°F |
| June | 58 | 18° / 64°F | 12° / 54°F | 119 mm | 6 | 15° / 59°F |
| July | 76 | 22° / 72°F | 16° / 61°F | 85 mm | 7 | 17° / 63°F |
| August | 76 | 22° / 72°F | 16° / 61°F | 85 mm | 6 | 19° / 66°F |
| September | 67 | 19° / 66°F | 13° / 55°F | 101 mm | 5 | 17° / 63°F |
| October | 32 | 14° / 57°F | 8° / 46°F | 150 mm | 3 | 14° / 57°F |
| November | 0 | 8° / 46°F | 2° / 36°F | 126 mm | 1 | 10° / 50°F |
| December | 0 | 3° / 37°F | -3° / 27°F | 140 mm | 1 | 6° / 43°F |
Sea temperature in Rockland by month
The sea off Rockland is warmest in August at around 19°C / 66°F, and coolest in February at 3°C / 37°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Rockland on the interactive sunshine globe →
Nearby places for sunshine
- Bangor United States · 86 km · best in Jul · 2,079 h sun/yr
- Portland (Maine) United States · 107 km · best in Jul · 2,150 h sun/yr
- Manchester (New Hampshire) United States · 226 km · best in Sep · 2,158 h sun/yr
- Boston United States · 244 km · best in Jul · 2,157 h sun/yr
- Fredericton Canada · 285 km · best in Aug · 2,001 h sun/yr
- Martha's Vineyard United States · 321 km · best in Jul · 2,196 h sun/yr
Nearest destinations
- Bar Harbor United States · 73 km · 2,079 h sun/yr · best in Jul
- Portsmouth United States · 177 km · 2,149 h sun/yr · best in Jul
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