Portland, ME weather in April
April in Portland: chilly, with frequent rain. Highs 54°F, lows 35°F, rain or snow on about 11 days and about 2.8 in of snow.
- Normal high
- 54°F
- Normal low
- 35°F
- Wet days
- 11
- 4.4 in total
- Snowfall
- 2.8 in
- snow on the ground 2 days
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 48°F | 60°F |
| Normal low | 31°F | 40°F |
| Chance of a wet day | 37% | 39% |
| Sunrise / sunset | 6:22 am / 7:07 pm | 5:34 am / 7:41 pm |
| Daylight | 12.8 h | 14.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am39°Fdew point 32°F
- 9 am47°Fdew point 32°F
- Noon51°Fdew point 32°F
- 3 pm51°Fdew point 32°F
- 6 pm47°Fdew point 32°F
- 9 pm43°Fdew point 33°F
NOAA hourly normals (local standard time) from Portland Intl Jetport (2 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow11 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below12 of 30
- Snow on the groundsnow depth 1 in or more2 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 4.4 in; a dry April brings about 2.8 in and a wet one about 5.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 2.8 in, with about 1 day of an inch or more.
How April varies from year to year
- Warmest April, 1991-20202010: average high 59°F
- Coolest April2007: average high 50°F
- Wettest April2007: 9.0 in
- Driest April1999: 0.3 in
- Highest reading92°F (April 28, 2009)
- Lowest reading15°F (April 6, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 42°F | 54°F | 64°F |
| Normal low | 26°F | 35°F | 46°F |
| Wet days | 11 | 11 | 13 |
| Comfortable days | 1 | 3 | 12 |
| Daylight | 11.9 h | 13.4 h | 14.7 h |
Highs change by +12°F from March and +10°F into May.
Nearby alternatives in April
- Warmer: Lowell, MA89 mi · high 59°F · 11 wet days
How Portland ranks in April
- Normal high345th warmest of 378 cities; 2nd of 5 in Maine
- Wet days262nd driest of 378
- Comfortable days314th most of 340
What to pack for Portland in April
- A warm jacket – lows near 35°F, highs near 54°F
- A rain jacket or umbrella – rain or snow on about 11 days
Frost in April
The last spring frost typically comes around Apr 26; in 1 year in 10 it comes after May 7. All frost dates for Portland.
Heating and cooling
April has 613 heating degree days and 1 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Portland in April?
The normal high is 54°F and the normal low is 35°F. From 1991 to 2020 the coldest April reading was 15°F (most recently on April 6, 1995).
Does it rain a lot in Portland in April?
About 11 days in April have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest April in 1991-2020 was in 2007 (9.0 in); the driest was in 1999 (0.3 in).
Does it snow in Portland in April?
Yes. Normal snowfall in April is 2.8 in, and snow covers the ground on about 2 days.
Is April a good time to visit Portland?
April ranks 6th of 12 months on our comfort score for Portland (53 out of 100). It has about 3 comfortable days. The best months are June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Portland Intl Jetport (USW00014764), 2.4 mi WSW of the city center, 45 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Portland International Jetport Airport (726060-14764), 2.8 mi WSW of the city center, 44 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).