Climate and monthly weather forecastWestbrook, ME
Climate and monthly weather forecast
The climate of Westbrook
The city of Westbrook in Maine experiences a humid continental climate with no dry season and warm summer, classified as Dfb under the Köppen climate classification. This climatological pattern in Westbrook produces yearly average highs varying from 30.4°F (-0.9°C) in the coldest month, to a pleasant 73.8°F (23.2°C) in the warmest month. Nights dip to an average low of 19°F (-7.2°C) in winter months, inching up to 61.3°F (16.3°C) during the peak of summer.A noteworthy facet of the Westbrook climate is the humidity that remains relatively high throughout the year, fluctuating from 77% to 82%. Westbrook also sees substantial precipitation throughout the year, though the amount of rainfall sees slight variations. The city endures a monthly average rainfall ranging from 0.79" (20mm) in drier months to 1.97" (50mm) in the wetter months. Nonetheless, this difference does not pronounce a specific dry season.
The sunshine hours spanning from 5.2 to 10.6 hours per day imbue Westbrook with a cheerful atmosphere. Yet, it should be noted that Westbrook weather also involves a significant amount of snow. Recorded snowfall ranges from none during the warm months to 3.15" (80mm) in the peak of winter.
The best time to visit Westbrook
Arguably, the best period to visit Westbrook would fall during the summer months when the temperature is comfortably warm. Specifically, July and August offer the mildest conditions, with high temperatures averaging between 73.8°F (23.2°C) and 73.9°F (23.3°C). These months are also characterized by the highest level of daylight, averaging 15.1 hours and 13.9 hours respectively, providing extended periods for sightseeing. In addition, the rainfall is lower compared to other parts of the year, averaging 1.42" (36mm) and 1.57" (40mm) respectively.The worst time to visit Westbrook
If visitors are not keen on braving frosty weather, the winter months of January and February pose the most challenging conditions to visit Westbrook. During these months, average low temperatures can plunge to 19°F (-7.2°C) and 20.7°F (-6.3°C) respectively, accompanied by considerable snowfall averaging around 2.72" (69mm) and 3.15" (80mm). Moreover, the short duration of daylight at 9.4 hours and 10.5 hours further limits outdoor activities during these months.Spring weather in Westbrook
Coming out of frozen winter, Westbrook transitions to spring with a notable change in temperature and daylight hours. From March to May, the daily high temperature on average increases from 38.7°F (3.7°C) to 59°F (15°C), and low temperatures ranging from 27°F (-2.8°C) to 46.4°F (8°C). There is a generous increase in daylight from 12 hours to 14.7 hours. However, spring witnesses an escalation in the amount of rainfall; in fact, May receives the heaviest rainfall of the year at 1.73" (44mm).Summer weather in Westbrook
During summer, Westbrook is bathed in warmth and sunlight. The months from June to August attain high temperatures between 66.7°F (19.3°C) and 73.9°F (23.3°C). Nights are pleasantly cool with temperatures hovering from 54.3°F (12.4°C) to 61.3°F (16.3°C). The ample daylight hours between 15.4 hours to 13.9 hours mark longer days, ensuring that the city remains vibrant and active. Nonetheless, it's essential to carry an umbrella in July, the month receiving the least rainfall for summer at 1.42" (36mm).Autumn weather in Westbrook
The autumn months from September to November see a steady decline in temperature. Daytime temperatures fall from a high of 67.3°F (19.6°C) to a more moderate 45.7°F (7.6°C). Night temperatures follow a similar trend dipping from 54.7°F (12.6°C) to 35.6°F (2°C). Rainfall peaks in October at 1.97" (50mm), marking it as the wettest month. However, the days still receive a good amount of daylight, approximately 12.5 hours in September, gradually decreasing to 9.7 hours in November.Winter weather in Westbrook
Winter engulfs Westbrook from December to February. During this season, high temperatures average from 36.3°F (2.4°C) to 32.2°F (0.1°C), and lows can plummet to between 27°F (-2.8°C) and 20.7°F (-6.3°C). December and January see the maximum snowfall at 2.8" (71mm) and 2.72" (69mm) respectively. By February, daylight is on the rise from 9 hours to 10.5 hours, heralding the start of another cycle of seasons in Westbrook. Despite the cold conditions, the clear air with visibility consistently at 6 miles offers stunning winter landscapes for those willing to brave the cold.Weather in January
January in Westbrook, Maine experiences the firm grip of winter, with cold temperatures and frequent snowfall contributing to a snowy landscape. Fields and forests in the area wear a blanket of white, as this month witnesses the peak of the snowfall season with 2.72" (69mm). Weather in January »Weather in February
Moving into February, the weather in Westbrook remains relatively unchanged, retaining the cold character of the previous month. Westbrook sees slightly more snowfall, with accumulations reaching 3.15" (80mm). The strong winds persist and residents often have to brave biting wind chills. Weather in February »Weather in March
March signals the advent of Spring in Westbrook, bringing with it a subtle warming trend, though winter refuses to completely relinquish its hold. The decrease in snowfall to 1.73" (44mm) and the thawing ice herald the seasonal transition. Weather in March »Weather in April
April in Westbrook sees a noticeable shift in weather conditions. Snowfall dwindles to 0.83" (21mm) as temperatures rise steadily, breathing life into the dormant flora. Rainstorms become a common sight, lending a glistening sheen to the landscape. Weather in April »Weather in May
The merry month of May in Westbrook encapsulates the essence of spring perfectly. The last of the snowfall whittles down to 0.12" (3mm), while the mercury continues its steady climb up the thermometer. Surrounded by blossoming flowers and the budding trees, the locals skim off their winter layers. Weather in May »Weather in June
As Westbrook steps into June, the weather takes a definitive turn toward the heat of summer. Snowfall becomes a distant memory, and higher humidity levels are noticeable. Days are longer, sunlight is abundant, allowing beachgoers to make the best use of the warmth. Weather in June »Weather in July
July in Westbrook is characterized by sweltering weather, as it marks the beginning of the hottest period of the year. The temperature soars to 73.8°F (23.2°C), making it the hottest month for Westbrook. The area hums with the sound of fans and air conditioners working overtime to combat the heat. Weather in July »Weather in August
August in Westbrook essentially mirrors the sultry conditions of July, with negligible changes in weather patterns. With temperatures peaking at 73.9°F (23.3°C), the month ties with July as the hottest of the year. Beach trips and pool days are frequent, and the ongoing heat underscores the rhythm of summer. Weather in August »Weather in September
September witnesses a gentle transition into fall in Westbrook. Temperatures cool down but remain pleasant. While there is a perceptible decrease in temperature and humidity, conditions remain comfortable. As September progresses, leaves start changing color, providing a yearly visual treat for residents and visitors. Weather in September »Weather in October
October signals the full arrival of fall in Westbrook. While rainfall starts to gain momentum again with 1.97" (50mm), it does not dampen the spirits of the citizens. The transformation of the landscape reaches its zenith, and residents and tourists revel in the glorious fall foliage. Weather in October »Weather in November
In November, the ambiance of Westbrook starts shifting towards winter. As temperatures drop, residents extract their heavy clothing from storage. The last of the fall foliage makes way for barren trees as late autumn paints the town in different hues of gray. Weather in November »Weather in December
December introduces Westbrook to the teeth of winter. Snowfall makes its return with 2.8" (71mm) coating the city in a pristine white. The days become shorter, and the low sun casts long shadows across the landscape. Despite the cold, the festive season fills the month with warmth. Weather in December »Updated: Jun 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the coldest month, exhibiting average temperatures of 30.4°F (-0.9°C) at the peak and 19°F (-7.2°C) at the base.
Throughout the year, there are 116.5 rainfall days, and 17.13" (435mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, in Westbrook, there are 30.1 snowfall days, and 12.24" (311mm) of snow is accumulated.
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 6.2 days and typically aggregates up to 3.15" (80mm) 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.
The most humid month is June, with an average relative humidity of 82%.
In Westbrook, snow does not fall in June through September.
With an average of 15h and 24min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
August is the warmest month of the year, registering average temperatures as high as 73.9°F (23.3°C) and as low as 60.8°F (16°C).
With an average of 10.6h of sunshine, August has the most sunshine of the year.
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.79" (20mm) of precipitation.
The month with the most rainfall is October, when the rain falls for 10.7 days and typically aggregates up to 1.97" (50mm) of precipitation.
With an average relative humidity of 75%, November is the least humid month in Westbrook.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
The month with the least sunshine is December, with an average of 4.8h of sunshine.
Average temperature
Westbrook, ME
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Westbrook, ME
- Average pressure in January:
29.98"Hg - Average pressure in February:
29.97"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"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:
30.05"Hg - Average pressure in December:
30.02"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Westbrook, ME
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.5mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.9mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Westbrook, ME
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Westbrook, ME
- Average rainfall in January:
1.1" - Average rainfall in February:
1.22" - Average rainfall in March:
1.3" - Average rainfall in April:
1.54" - Average rainfall in May:
1.46" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.57" - Average rainfall in September:
0.79" - Average rainfall in October:
1.97" - Average rainfall in November:
1.46" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days
Westbrook, ME
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
12.4 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (5 days).
Average snowfall
Westbrook, ME
- Average snowfall in January:
2.72" - Average snowfall in February:
3.15" - Average snowfall in March:
1.73" - Average snowfall in April:
0.83" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Westbrook, ME
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
1.7 days - Average snowfall days in May:
0.1 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:
0.3 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
5.6 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Westbrook, 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 42min - 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 12min - Average sunshine in February:
4h and 54min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Westbrook, ME
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
15.9 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
16.6 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
19 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (15.3 days).
Average UV index
Westbrook, 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
Westbrook, ME
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Westbrook, 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).
