Climate and monthly weather forecastBrunswick, ME
Climate and monthly weather forecast
The climate of Brunswick
Located in the USA, Brunswick, Maine experiences a Humid Continental climate, categorized as Köppen climate classification Dfb. This climate type predominantly features no dry season and a warm summer. Throughout the year, the temperature varies, with ranges from 18.9°F (-7.3°C) to 73.4°F (23°C), and humidity levels remain relatively steady, around the 80% mark.Precipitation also significantly fluctuates with rainfall per month between 0.75" (19mm) and 1.85" (47mm). Similarly, snowfall is not uncommon, and in months where it does occur, ranging from 0.04" (1mm) in October to 2.95" (75mm) in February. Daylight hours fluctuate through the year, with a minimum of 9 hours in December and rising up to 15.4 hours in June.
Brunswick also sees considerable variation in terms of sunshine hours, with a low of 4.6 hours in December and reaching up to 10.4 hours in August. Besides, the UV index typically hovers between 2 and 5 throughout the year. The cloud coverage fluctuates mildly, between 32% in August and 51% in March.
The best time to visit Brunswick
For visitors seeking pleasant weather with a moderate UV index, the best time to visit Brunswick would between May and September, with temperatures between 48.9°F (9.4°C) and 73.4°F (23°C). The months of June and July offer a generous amount of daylight, around 15.1 to 15.4 hours, and also highest rainfall, ranging from 1.18" (30mm) to 1.54" (39mm), providing a lush and vibrant environment.The worst time to visit Brunswick
The least favorable time to visit Brunswick would be the cold and snowy months of January and February, with temperatures dropping to 18.9°F (-7.3°C) and 19.4°F (-7°C) respectively. Precipitation during this time is also typically in the form of snowfall, with amounts peaking at 2.95" (75mm) in February. Besides, the daylight hours are relatively short around 9.4 hours to 10.5 hours and low amounts of sunshine, making outdoor activity quite limited during this time.Spring weather in Brunswick
Spring in Brunswick varies greatly. In March, average temperatures can still drop as low as 26.4°F (-3.1°C), but by May, they have warmed to as much as 58.8°F (14.9°C). Rainfall during spring averages between 1.14" (29mm) and 1.26" (32mm), with April seeing the most at 1.42" (36mm). Daylight hours gradually increase from 12 hours in March to 14.8 hours by May end.Summer weather in Brunswick
Summers are comparatively mild in Brunswick, with temperatures ranging from 66°F (18.9°C) in June up to 73.4°F (23°C) in July and August. June and August are the wettest months of the year, recording between 1.54" (39mm) of rainfall, with humidity levels at their peak (82%). The daylight hours reach a maximum in June with 15.4 hours.Autumn weather in Brunswick
Autumn sees a significant drop in temperature, starting at 67.1°F (19.5°C) in September and going as low as 35.2°F (1.8°C) in November. Rainfall is most significant in October, measuring 1.85" (47mm). Daylight begins to reduce, dropping from 12.5 hours in September to 9.7 hours in November.Winter weather in Brunswick
Winter in Brunswick is cold, with temperatures ranging from 25.9°F (-3.4°C) to 35.2°F (1.8°C). Snowfall starts from as early as November and can reach up to 2.4" (61mm) in December and January. However, the winter months also see increased cloud coverage (42% to 50%), limiting the amount of sunshine experienced during these months.Weather in January
The climate in Brunswick, Maine starts off the year on a chilly note in January. The month is marked with temperatures plummeting to an average low of 18.9°F (-7.3°C). Snowfall is a frequent occurrence contributing to a considerable amount of humidity. Weather in January »Weather in February
February in Brunswick, Maine, exhibits a slight increase in temperature from the freezing lows of January. There is, however, a noticeable increase in snowfall to 2.95" (75mm) reflecting the continuation of winter conditions. The daylight slightly increases, yet the month mostly remains cold and cloud-covered. Weather in February »Weather in March
March sees a significant shift in the weather patterns of Brunswick, Maine. The temperatures steadily climb to a high of 37.9°F (3.3°C) signaling the onset of spring. Concurrently, snowfall measures decrease significantly, from February's high levels to a meager 1.54" (39mm) paving the way for clearer skies. Weather in March »Weather in April
April in Brunswick, Maine, embodies the full bloom of spring with considerably warmer weather. The significant increase in temperature from March to a toasty 48.9°F (9.4°C) complements the vibrant blossoming of flora around the city. Weather in April »Weather in May
In May, the weather in Brunswick, Maine transforms further under the influence of spring. The progression of the season brings amplified temperatures, further extended daylight, and amplified UV index levels. The distinctively noticeable rise in humidity marks the step towards the summer months. Weather in May »Weather in June
June brings summer to the city of Brunswick, Maine with a pronounced increase in heat. The mercury soars to an average high of 66°F (18.9°C) providing a warm ambiance. The increase in sunshine hours and UV index underscores the season's vigor. Weather in June »Weather in July
July, the heart of summer in Brunswick, Maine, holds the highest temperature of the year scaling up to an average high of 73.4°F (23°C). The UV index also reaches its peak, a clear indication of the intense sunlight experienced during this month. Weather in July »Weather in August
August in Brunswick, Maine, continues the warmth of July, with equal high temperatures and insignificant changes in humidity. However, there's augmentation to the amount of rainfall received, matching up with June's precipitation of 1.54" (39mm). Weather in August »Weather in September
September introduces autumn to the city of Brunswick, Maine with a noticeable dip in temperature to a still warm average high of 67.1°F (19.5°C). A significant drop in rainfall to 0.75" (19mm) sets the stage for the season change. Weather in September »Weather in October
October further deepens the spell of autumn in Brunswick, Maine. The month features a considerable drop in temperature from September's warmth, yet holds the highest rainfall of the year at 1.85" (47mm). The frequency of sunshine and daylight hours decline, leaving the city in the embrace of cooling weather. Weather in October »Weather in November
November transitions the weather in Brunswick, Maine into the preliminary phase of winter. The plummeting temperature marks a stark change from the cozy autumn feel that October served. Snowfall of 0.51" (13mm) adds to the chilly setting, whereas the rainfall amount reduces by a fair fraction from October's high. Weather in November »Weather in December
December ushers in the chills of winter in Brunswick, Maine. The temperature further drops to the lower end of the thermometer with average lows of 25.9°F (-3.4°C), reminiscent of the year's start. Snowfall makes a comeback with 2.4" (61mm), making the landscape reminiscent of a classic winter tale. Weather in December »Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, on average, is the coldest month, registering a high temperature of 29.7°F (-1.3°C) and a low of 18.9°F (-7.3°C).
Throughout the year, there are 115.5 rainfall days, and 15.51" (394mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
In Brunswick, during the entire year, snow falls for 32.1 days and aggregates up to 10.75" (273mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 7.4 days and typically aggregates up to 2.95" (75mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
In Brunswick, snow does not fall in May through September.
June and July, with an average relative humidity of 82%, are most humid months.
June has the longest days of the year, with an average of 15h and 24min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
July and August are known as Brunswick's warmest months, with an average high-temperature of 73.4°F (23°C).
The month with the most sunshine is August, with an average of 10.4h of sunshine.
September is the month with the least rainfall. Rain falls for 8.9 days and accumulates 0.75" (19mm) of precipitation.
The month with the most rainfall is October, when the rain falls for 10.6 days and typically aggregates up to 1.85" (47mm) of precipitation.
With an average relative humidity of 75%, November is the least humid month.
With an average of 9h and 0min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 4.6h of sunshine.
Average temperature
Brunswick, ME
The warmest months (with the highest average high temperature) are July and August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Brunswick, ME
- Average pressure in January:
29.97"Hg - Average pressure in February:
29.96"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.01"Hg
The month with the highest atmospheric pressure is September (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Brunswick, ME
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.8mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Brunswick, ME
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Brunswick, ME
- Average rainfall in January:
1.06" - Average rainfall in February:
1.02" - Average rainfall in March:
1.14" - Average rainfall in April:
1.42" - Average rainfall in May:
1.26" - Average rainfall in June:
1.54"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.54" - Average rainfall in September:
0.75" - Average rainfall in October:
1.85" - Average rainfall in November:
1.3" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is October (1.85").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days
Brunswick, ME
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall
Brunswick, ME
The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Brunswick, ME
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
6.4 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Brunswick, ME
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days
Brunswick, ME
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
15 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
16 days
- Average sunshine days in July:
15.2 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (15 days).
Average UV index
Brunswick, ME
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Brunswick, ME
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Brunswick, ME
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
