Climate and monthly weather forecastHarvey, ND
Climate and monthly weather forecast
The climate of Harvey
Located in North Dakota, USA, Harvey experiences a climate classified as Dfb under the Köppen climate classification, denoting a humid continental climate, characterized by no dry season and warm summers. Gradual shifts are noticeable in Harvey's weather as it passes through the calendar months.Harvey's temperatures range from a chilly 3°F (-16.1°C) in the colder months of January and February, and gradually rise, reaching a peak during the summertime with an average high temperature of 80.4°F (26.9°C) in July, and an average low of 59.5°F (15.3°C). Relative humidity levels score high in the depth of winter with a percentage of 91 in January, with a dip to 57%, the lowest in August. Rainfall varies between 0.51" (13mm) in February to a high of 3.07" (78mm) in June. Days with rainfall range from as low as 2.1 days in February to 17.3 days in June.
Snowfall is a common weather characteristic in Harvey, especially between the months of January and March and then again from October to December. The snowfall amount peaks to 4.84" (123mm) in December.
Harvey enjoys daylight hours to the maximum during June, with an average of 15.9 hours, while the shortest days occur in December with approximately 8.5 hours of daylight. Sunlight hours follow a similar pattern, maximizing to 11.1 hours in July, and dipping down to 3.6 hours in December. UV Index reaches a peak of 6 in July while it remains at 1 during winter months.
The best time to visit Harvey
Taking into account various weather elements including temperature, humidity, rainfall, and sunshine hours, the best time to visit Harvey is between late May and early September. During these months, Harvey experiences the highest temperatures of the year, along with the longest daylight hours. UV Index during these months is high, which is beneficial for outdoor activities.The worst time to visit Harvey
Within the range of the yearly climatic cycle of Harvey, the colder months from November to March pose challenges for outdoor activities. Due to frigid temperatures, high snowfall, and reduced daylight hours, these months are less conducive for a visit to Harvey.Spring weather in Harvey
Spring in Harvey unfolds from March to May, with temperatures ascending from an average high of 34.3°F (1.3°C) to 63.7°F (17.6°C), and lows stretching from 19.9°F (-6.7°C) to 46°F (7.8°C). Rainfall increases during this season, reaching up to 2.36" (60mm) in May, implicating wetter conditions.Summer weather in Harvey
The summer season in Harvey, spanning from June to August, witnesses the highest temperatures of the year. The average highs reach 80.4°F (26.9°C) in July, while the average lows are in the high 50s. This season experiences the highest volume of rainfall, with June being the wettest month registering 3.07" (78mm).Autumn weather in Harvey
Autumn descends on Harvey from September to November. During these months, temperatures start to decrease from an average high of 70.3°F (21.3°C) to 35.4°F (1.9°C) and lows from 50.9°F (10.5°C) to 23.5°F (-4.7°C). Rainfall during autumn varies from 1.73" (44mm) to 0.67" (17mm).Winter weather in Harvey
Winter in Harvey transcribes from December to February, characterized by the coldest temperatures of the year. Average low temperatures plunge to 3°F (-16.1°C), and high averages remain below freezing at 18°F (-7.8°C) to 20.1°F (-6.6°C). Snowfall in Harvey is heavy during these months, particularly in December, with an average of 4.84" (123mm). Accompanied by short daylight hours and limited sunshine, winter renders Harvey an icy canvas.Weather in January
January flows in the wave of cold weather in Harvey, North Dakota, with snowfall being prevalent in this month. Compared to February, the icy temperatures remain steady, nearly constant, on the lower side. Daylight is the least in the year, rendering January as one of the darker months. Weather in January »Weather in February
In February, Harvey sees no drastic changes in the chill but the snowfall decreases compared to January. The sun shines a little longer in the day, but it hardly influences the cold weather that February brings along. Freezing conditions remain dominant, reminding us again of the winter season. Weather in February »Weather in March
When you think of March in Harvey, North Dakota, a vivid contrast springs between the receding winter and the upcoming spring. The weather transition is perhaps most apparent in March, as the winter chill gives way to slightly warmer conditions. Weather in March »Weather in April
The month of April in Harvey, North Dakota, signals the arrival of the much-awaited spring, fostering growth and rejuvenation all around. An upward transition in temperature can be observed from the preceding month. April brings about a variation of colors back into the city - the undisturbed layer of snow gives way to blooming seasonal flowers. Weather in April »Weather in May
In Harvey, May experiences the meteorological transition from spring to early summer. The weather during May becomes more pleasant compared to April. There is an increase in daylight hours, allowing more opportunities for outdoor activities. Weather in May »Weather in June
June announces the onset of summer in Harvey, North Dakota. The harsh and freezing winter seems like a distant memory as temperatures spike from those in May. It's the time when Harvey basks in maximum daylight hours in the year, allowing residents to make the most of the long, sunny days. Weather in June »Weather in July
July in Harvey, North Dakota, basks under the high summer sun, making it the warmest month of the year. Observing from June, there are no drastic changes in the weather conditions, only the heat seems to be on the rise. The longer days are bright and sunny, inviting the residents to enjoy outdoor activities to the fullest. Weather in July »Weather in August
August in Harvey, North Dakota, indicates the culmination of summer with conditions moderately similar to July. There's a slight decrease in temperature compared to July, making the weather more comfortable towards the month's end. Weather in August »Weather in September
September brings a whiff of fall to Harvey, North Dakota. The weather becomes a blend of mildly warm afternoons and cool evenings, a shift from August's consistent warmth. The daylight hours start to reduce gradually, and humidity levels drop, leading to clearer skies. Weather in September »Weather in October
October in Harvey hails the full onset of fall. It’s a transitional period with the weather conditions contrasting from those in September, and inching closer to the winter chill. The fall colors reach their peak, adorning the city in a picturesque autumn spectrum. Weather in October »Weather in November
With the arrival of November in Harvey, North Dakota, signals of approaching winter becomes more apparent. The serene and mild fall weather progressively gives way to the harsh winter cold. The greenery and vibrancy of the proceeding months prepare to go dormant. Weather in November »Weather in December
In Harvey, December welcomes the full-fledged winter season. The chilly weather increases in intensity from November, making it one of the coldest months of the year. The festive spirit blends with the bitter cold outdoors, leading to brighter decorations and warmer hearts indoors. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harvey, ND
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (17.1°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (3°F).
Average pressure
Harvey, ND
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.18"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Harvey, ND
- Average wind speed in January:
10.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
11.1mph - Average wind speed in May:
10.5mph - Average wind speed in June:
9.6mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
8.8mph - Average wind speed in September:
10.4mph - Average wind speed in October:
11.5mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is October (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity
Harvey, ND
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (57%).
Average rainfall
Harvey, ND
- Average rainfall in January:
0.63" - Average rainfall in February:
0.51" - Average rainfall in March:
1.06" - Average rainfall in April:
1.5" - Average rainfall in May:
2.36" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.42" - Average rainfall in September:
1.73" - Average rainfall in October:
1.46" - Average rainfall in November:
0.67" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
Harvey, ND
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.1 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
4 days - Average rainfall days in December:
3 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall
Harvey, ND
- Average snowfall in January:
3.58" - Average snowfall in February:
3.39" - Average snowfall in March:
4.21" - Average snowfall in April:
2.8" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harvey, ND
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
13.7 days - Average snowfall days in March:
13.3 days - Average snowfall days in April:
6.1 days - Average snowfall days in May:
0.6 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:
0.1 days - Average snowfall days in October:
3.6 days - Average snowfall days in November:
10.1 days - Average snowfall days in December:
16 days
The month with the highest number of snowfall days is December (16 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Harvey, ND
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 54min - Average sunshine in March:
4h and 42min - Average sunshine in April:
7h and 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 0min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Harvey, ND
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
18 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (9.8 days).
Average UV index
Harvey, ND
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Harvey, ND
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Harvey, ND
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





