Climate and monthly weather forecastRichmond, ME
Climate and monthly weather forecast
The climate of Richmond
Richmond, Maine, USA, is governed by the Dfb Köppen climate classification. The predominate climate is a mix of humid continental conditions with no dry season and a warm summer. Geographically, Richmond is positioned in the North-Eastern part of the USA.Consistent variations across all 12 months can be observed. The highest temperatures are typically registered in July, peaking at 75.7°F (24.3°C), while the lowest are in January with a low of 16.2°F (-8.8°C). Humidity remains moderately high throughout the year, hovering around 81% in winter months, with slight drops in autumn, reaching 76%.
Rainfall displays a significant spread from 1.38" (35mm) in September to 2.95" (75mm) in October. It's interesting to note that no month is devoid of rainfall. On the contrary, snowfall is mostly confined to the winter months, with December witnessing 3.94" (100mm) of snowfall on average. The sea temperature fluctuates from 37.7°F (3.2°C) in March to 61.5°F (16.4°C) in August.
Coupled with changes in temperature, hours of daylight increase from 9.3 in January to 15.4 in June and diminish back to 8.9 by December. In similar behavior, the sunshine hours oscillate between 4.6 and 10.2 across months.
The best time to visit Richmond
The ideal time to visit Richmond would be during summer, from June to August. In these months, the highest average temperatures are noted, with the zenith of 75.7°F (24.3°C) in July. The relative humidity varies slightly around 82% providing comfortable conditions. Rainfall is relatively low compared to other periods, making outside activities more enjoyable. The sea temperature peaks at 61.5°F (16.4°C) in August, thus presenting an opportunity for swimming activities. The extent of daylight is also at a maximum during this period, providing ample time for sightseeing.The worst time to visit Richmond
The harshest period to visit is the winter, from December to February. It is characterized by the lowest average temperatures, dipping at 16.2°F (-8.8°C) in January, and has the maximum snowfall with 3.94" (100mm) in December. Reduced visibility of 6 miles might hinder outdoor activities during this period. The length of daylight is at its shortest, further limiting exposure to the sun.Spring weather in Richmond
Spring in Richmond can be defined as a period of transition. It is observed from March to May. Average temperatures rise from a modest 37.9°F (3.3°C) in March to a peak of 60.8°F (16°C) in May. Rainfall increases substantially from 2.17" (55mm) in March to 2.83" (72mm) in April. Despite this, the number of hours of sunshine also sees an increase from 5.6 to 8. This results in a more welcoming atmosphere as compared to the conclusion of winter.Summer weather in Richmond
The summer season in Richmond lasts from June to August, presenting comfortable temperatures varying between 68.5°F (20.3°C) and 75.7°F (24.3°C). Sea temperatures also rise, reaching 61.5°F (16.4°C) in August. This allows swimming activities to be comfortably carried out. Although the period sees rainfall between 1.61" (41mm) and 2.52" (64mm), it also provides the longest daylight hours, reaching 15.4 in June, with high sunshine hours up to 10.2 in August.Autumn weather in Richmond
Autumn in Richmond, observed from September to November, is characterized by a cooling trend. Temperatures decrease from 68.9°F (20.5°C) in September to 44.4°F (6.9°C) in November. The sea temperature also declines from 59.1°F (15.1°C) to 49°F (9.4°C) during this period. Despite rainfall peaking to 2.95" (75mm) in October, the season offers a good number of sunshine hours till the end of October.Winter weather in Richmond
Winter is prominently cold in Richmond, observed from December to February, with average temperature dipping to 16.2°F (-8.8°C) in January. Snowfall is prevalent during this season, mounting to 3.94" (100mm) in December. Limited daylight hours, averaging from 9.3 in January to 10.5 hours in February, couple with a lack of sunshine to create a stark cold environment. Sea temperatures also dip to their minimum, reaching 37.7°F (3.2°C) in March, thus limiting waterfront activities.Weather in January
January in Richmond, Maine, has the coldest temperatures of the year, with the mercury plummeting to a low of 16.2°F (-8.8°C). January is also renowned for its snowfall, with the landscape shrouded in an average of 5.28" (134mm) of snow. Weather in January »Weather in February
There is a negligible increase in temperature from 16.2°F (-8.8°C) in January to 17.1°F (-8.3°C) in February in Richmond. February also continues to observe significant snowfall with an average of 4.17" (106mm). However, one might notice the days becoming slightly longer, hinting at the impending spring. Weather in February »Weather in March
March marks the transition from winter to spring in Richmond, with temperatures climbing to a high of 37.9°F (3.3°C). However, snowfall persists, though it reduces to 4.13" (105mm) in March. People start to feel the warmth of the sun as daylight hours increase noticeably. Weather in March »Weather in April
Compared to March's high of 37.9°F (3.3°C), April in Richmond sees a significant rise in temperature, peaking at 49.8°F (9.9°C). Much of the snow begins to dissolve, yielding just 2.44" (62mm) of average snowfall in April. The weather turns milder and the city basks in the pleasant spring atmosphere. Weather in April »Weather in May
May is when Richmond truly starts to warm up, with temperatures soaring to a comfortable 60.8°F (16°C). The snow completely melts away, replaced by occasional rain. This shift in weather paves the way for outdoor activities as residents enjoy the beautiful, warm, and sunny weather. Weather in May »Weather in June
June marks the beginning of summer in Richmond, with temperatures reaching up to 68.5°F (20.3°C), a noticeable hike from May's high of 60.8°F (16°C). The noticeable feature of June is the extended daylight, offering abundant sunshine. Weather in June »Weather in July
July is the peak of summer in Richmond, with the year's highest temperature at 75.7°F (24.3°C). The region enjoys a surge in daylight hours that peak this month. The city buzzes with activities; from water sports to outdoor dining, there is something for everyone. Weather in July »Weather in August
The temperature in August slightly recedes to 75.4°F (24.1°C) from the peak of 75.7°F (24.3°C) in July in Richmond. Despite the drop, the weather remains ideal for enjoying summer activities. The city continues to stay lively with festivals and public events adding to the summer charm. Weather in August »Weather in September
With temperatures dropping to 68.9°F (20.5°C), September marks the onset of fall in Richmond. An interesting characteristic is the drastic reduction in rainfall to 1.38" (35mm) from the 2.28" (58mm) recorded in August. The foliage begins to change color, transforming the city into an explosion of oranges and yellows. Weather in September »Weather in October
October showcases a significant drop in temperature to 56.3°F (13.5°C), a clear shift from September's high of 68.9°F (20.5°C) in Richmond. This month is the rainiest of the year, with approximately 2.95" (75mm) of rainfall. Weather in October »Weather in November
November in Richmond witnesses a plunge in temperature to 44.4°F (6.9°C). The city experiences its first snowfall of the year, albeit a slight 1.42" (36mm). The fading fall leaves and the introductory snow indicate the arrival of winter. Weather in November »Weather in December
Finally, Richmond braces for winter in December, with temperatures dipping to 34.3°F (1.3°C). The city witnesses an increased snowfall of 3.94" (100mm), paving the way for a white Christmas. Residents bundle up in warm clothes and gear up for the picturesque snow-covered holiday season. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Richmond, ME
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Richmond, 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:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Richmond, ME
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9.4mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Richmond, ME
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall
Richmond, ME
- Average rainfall in January:
2.13" - Average rainfall in February:
1.97" - Average rainfall in March:
2.17" - Average rainfall in April:
2.83" - Average rainfall in May:
2.13" - Average rainfall in June:
2.52"
- Average rainfall in July:
1.61" - Average rainfall in August:
2.28" - Average rainfall in September:
1.38" - Average rainfall in October:
2.95" - Average rainfall in November:
2.72" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days
Richmond, ME
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
13 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Richmond, ME
- Average snowfall in January:
5.28" - Average snowfall in February:
4.17" - Average snowfall in March:
4.13" - Average snowfall in April:
2.44" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Richmond, ME
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
9 days - Average snowfall days in April:
2.8 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:
0.2 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
7.8 days
The months with the highest number of snowfall days are January and February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Richmond, ME
The best month for swimming (with the highest average sea temperature) is August (61.5°F).
The coldest month (with the lowest average sea temperature) is March (37.7°F).
Average daylight / Average sunshine
Richmond, ME
- Average daylight in January:
9h and 18min - 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:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Richmond, ME
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
17 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.7 days).
Average UV index
Richmond, ME
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Richmond, ME
The months with the most cloud cover are February, March and April (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Richmond, ME
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).





