Weather in Cousins Island, Maine
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 9:11 AM
- Moonset
- 12:30 AM
- In sign
- ♉︎ Taurus
Roses open along the stoops
Cousins Island at a glance
- Today vs. normal: NaN°F below the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Cousins Island's warmest month is July (~70°F mean) and its coldest is January (~24°F). Rainfall peaks in October (5.3 inches) and bottoms out in July (3.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 3.5″ | 7 |
| February | 26° | 3.5″ | 7 |
| March | 34° | 4.1″ | 7 |
| April | 45° | 4.4″ | 7 |
| May | 55° | 3.7″ | 7 |
| June | 64° | 4.2″ | 7 |
| July | 70° | 3.4″ | 7 |
| August | 69° | 3.6″ | 5 |
| September | 62° | 3.8″ | 5 |
| October | 50° | 5.3″ | 7 |
| November | 40° | 4.3″ | 7 |
| December | 30° | 4.5″ | 8 |
Frequently asked
- When does it freeze in Cousins Island?
- Cousins Island's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Cousins Island?
- October is the wettest month with about 5.3 inches of rain on average; the city receives roughly 48 inches annually.
- What is the warmest month in Cousins Island?
- July is typically warmest, averaging about 70°F.
- What is the coldest month in Cousins Island?
- January is typically coldest, averaging about 24°F.
- When can I start a vegetable garden in Cousins Island?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Cousins Island get?
- Cousins Island averages about 80 rainy days per year.
- What hardiness zone is Cousins Island?
- Cousins Island's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Cousins Island, Maine sits in a warm-summer humid continental climate zone. January means hover near 24°F while July averages 70°F — a 46°F seasonal swing.
Across the year, Cousins Island receives about 48 inches of precipitation spread over roughly 80 rainy days.
The rhythm of the year is set by latitude (43.8°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.