Climate and monthly weather forecastRexburg, ID
Climate and monthly weather forecast
The climate of Rexburg
Situated in Idaho, USA, Rexburg finds itself subjected to a predominantly Humid Continental climate according to the Köppen climate classification. This Dfb classification means it faces the reality of no dry season and warm summers. Weather conditions in Rexburg greatly differ throughout the year, painting a varied meteorological tableau.Throughout a full calendar year, the city experiences notable changes in all key weather parameters, including temperature, humidity, rainfall, snowfall, daylight hours, and wind. The highest average temperatures reside primarily in summer while the heart of winter nestles in frigid lows. Monthly average maximum temperatures range from a frosty 27.5°F (-2.5°C) in January to a temperate 84.2°F (29°C) in July. The minimum temperatures are not outdone, fluctuating from 12.7°F (-10.7°C) in January to 52.9°F (11.6°C) in August.
A changing seasonal tapestry emerges when observing rainfall and snowfall. Noticeably, the number of days with rainfall peaks in April, with 14.9 days under the drizzle, while July's sunnier days only experience 6.3 rainy ones. Contrasting this, the snowiest month is January, bringing 8.9" (226mm) of snow spread over 18.1 days. As spring and summer bloom, snowfall dwindles until it completely evaporates during the balmy summer months.
The best time to visit Rexburg
While the thrill of experiencing local climate largely depends on individual preferences, the late spring and summer months—from May to July—represent an optimum period for many visitors to Rexburg. During these months, the city enjoys mild temperatures that peak around 73.2°F (22.9°C) to 84.2°F (29°C). July, the hottest month, also boasts generous sunlight with an average of 15.1 hours of daylight, and up to 12 hours of sunshine. This, combined with the minimum rainfall in July of just 0.39" (10mm), creates ideal conditions for outdoor activities and sightseeing.The worst time to visit Rexburg
For those unaccustomed to cold weather, the months from November to February can prove challenging due to low temperatures and heavy snowfall. In January, the coldest month, average high temperatures barely reach 27.5°F (-2.5°C) and can tumble all the way down to 12.7°F (-10.7°C) at night. Snow frequents Rexburg during these winter months, accompanied by a higher relative humidity averaging 91%.Spring weather in Rexburg
Rexburg's spring, spanning March to May, is characterized by warming temperatures and increasing daylight. March still carries a winter chill with average temperatures spreading between 25.3°F (-3.7°C) to 40.1°F (4.5°C), but by May, the thermometer elevates from 39.7°F (4.3°C) to 63°F (17.2°C). Rain becomes more frequent, peaking with April's 1.26" (32mm) of rainfall. Meanwhile, snow recedes until it becomes practically nonexistent by the end of May.Summer weather in Rexburg
Reveling in the warmth of June through August, Rexburg's summer days heat up to a peak of 84.2°F (29°C) in July, while nights remain comfortably cool in the range from 45.9°F (7.7°C) to 52.9°F (11.6°C). Summer is also the driest season, with July receiving only 0.39" (10mm) of rainfall over the span of 6.3 days. With steadily high daylight and sunshine hours, it remains an ideal season for outdoor exploration.Autumn weather in Rexburg
The city’s fall season, beginning in September and concluding in November, brings cooler temperatures and increased precipitation. The transition from summer's heat to winter's cold takes temperatures from 72.7°F (22.6°C) in September to a brisk 39.6°F (4.2°C) by November. Simultaneously, nights begin to cool, as September’s 47.3°F (8.5°C) dips down to November’s 25°F (-3.9°C). The amount of rainfall mildly fluctuates, but stay consistent at approximately 0.87 to 0.91" (23mm) over 8.5 to 10.9 days.Winter weather in Rexburg
Rexburg’s winter months—December through February—are marked by frosty temperatures, abundant snowfall, and limited daylight. During the most frigid month, January, daytime highs average at 27.5°F (-2.5°C) while nights descend to a chilly 12.7°F (-10.7°C). Snowfall is significant with 8.9" (226mm) over 18.1 days in January, giving the city a true snowy winter experience. Despite the cold conditions, the winter season's distinct beauty may appeal to visitors fond of frosty landscapes and snow activities.Weather in January
Rexburg weather marks the start of the year with the coldest temperatures compared to any other month. January finds the city in a icy embrace with average high and low temperatures of 27.5°F (-2.5°C) and 12.7°F (-10.7°C) respectively. Weather in January »Weather in February
Witnessing a slight reduction in snowfall from January's peaks, February maintains the winter's intense cold. This month brings a notable increase in both daily high and low temperatures around 29.8°F (-1.2°C) and 16.3°F (-8.7°C). Weather in February »Weather in March
March weather in Rexburg signals the transition from winter to spring with temperatures commencing a noticeable climb. The city experiences a moderate increase in daily high and low temperatures to around 40.1°F (4.5°C) and 25.3°F (-3.7°C), respectively. Weather in March »Weather in April
As Rexburg moves further into spring in April, temperatures begin to rise significantly. Weather conditions see an upswing with average high and low temperatures ascending to 51.4°F (10.8°C) and 32.7°F (0.4°C). Cloud cover retreats further, allowing daylight to prevail longer and Sunny spells become more frequent. Weather in April »Weather in May
In May, weather in Rexburg displays a substantial advancement towards summer. With the city mostly basking under clear skies, average high temperatures surge to 63°F (17.2°C) driving away remaining chills of the preceding winter. Weather in May »Weather in June
June inaugurates the summer in Rexburg, bringing it's longest days and high temperatures. Rexburg residents bask in significant sunlight under clear skies with average high temperatures peaking at 73.2°F (22.9°C). Rainfall recedes considerably, replaced by prominently sunny days, and skies are often devoid of any significant cloud. Weather in June »Weather in July
July in Rexburg presents the pinnacle of summer heat with highest average temperatures of the year. The intensity of the summer sun is felt with average high and low temperatures escalating to 84.2°F (29°C) and 52.7°F (11.5°C) respectively. Weather in July »Weather in August
Despite a slight dip, August continues July’s legacy of resplendent Rexburg summers. Daily averages come down slightly from the yearly highs, settling to just over 82.9°F (28.3°C) for the high and holding at 52.9°F (11.6°C) for the overnight lows. Weather in August »Weather in September
September brings along the onset of fall and with it an alteration in Rexburg's weather conditions. Temperatures experience a marked decrease, with highs averaging around 72.7°F (22.6°C), signaling the transition from summer to autumn. Weather in September »Weather in October
October in Rexburg showcases an authentic autumn experience with cooler temperatures and vivid fall foliage. A notable drop in daily high and low temperatures to around 54.1°F (12.3°C) and 35.6°F (2°C) marks this change in season. Weather in October »Weather in November
November brings forth the initial signs of Rexburg's impending winter. Chilling temperatures with daily highs of around 39.6°F (4.2°C) and lows close to 25°F (-3.9°C) make their entrance. Amid the dwindling fall foliage, increasing snowfall forecasts the shift towards the winter season. Weather in November »Weather in December
December sees Rexburg fully engulfed in winter, associated with a sharp drop in temperatures to around 26.6°F (-3°C) for the high and 14.9°F (-9.5°C) for the low. Snowfall becomes frequent, wrapping the city in a thick blanket of white. Weather in December »Updated: Aug 5, 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 most humid month, with an average relative humidity of 91%.
In Rexburg, during the entire year, the rain falls for 120.3 days and collects up to 11.02" (280mm) of precipitation.
January through May, September through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 18.1 days and typically aggregates up to 8.9" (226mm) of snow.
Throughout the year, there are 84.8 snowfall days, and 31.85" (809mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.5h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
The months with the most rainfall are April and May, with an average 1.26" (32mm) of precipitation.
In Rexburg, snow does not fall in June through August.
The month with the longest days is June, with an average of 15h and 24min of daylight.
July, characterized by an average high temperature of 84.2°F (29°C) and a low temperature of 52.7°F (11.5°C), is generally the warmest month.
July is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.39" (10mm) of precipitation.
The month with the most sunshine is July, with an average of 12h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
The least humid month is August, with an average relative humidity of 38%.
Rexburg's December weather, marked by an average high temperature of 26.6°F (-3°C) and an average low temperature of 14.9°F (-9.5°C), is the coldest in the year.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Rexburg, ID
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure
Rexburg, ID
- Average pressure in January:
30.29"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.17"Hg - Average pressure in December:
30.26"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Rexburg, ID
- Average wind speed in January:
4.3mph - Average wind speed in February:
5.4mph - Average wind speed in March:
6mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6mph - Average wind speed in November:
5.4mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity
Rexburg, ID
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).
Average rainfall
Rexburg, ID
- Average rainfall in January:
1.1" - Average rainfall in February:
0.91" - Average rainfall in March:
0.91" - Average rainfall in April:
1.26" - Average rainfall in May:
1.26" - Average rainfall in June:
1.22"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.63" - Average rainfall in September:
0.91" - Average rainfall in October:
0.87" - Average rainfall in November:
0.71" - Average rainfall in December:
0.87"
The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
Rexburg, ID
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
9 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
6.3 days - Average rainfall days in August:
8.3 days - Average rainfall days in September:
9 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).
Average snowfall
Rexburg, ID
- Average snowfall in January:
8.9" - Average snowfall in February:
5.83" - Average snowfall in March:
3.66" - Average snowfall in April:
1.85" - Average snowfall in May:
0.67" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Rexburg, ID
- Average snowfall days in January:
18.1 days - Average snowfall days in February:
18.1 days - Average snowfall days in March:
11.7 days - Average snowfall days in April:
5.6 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0.1 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:
2.6 days - Average snowfall days in November:
10.3 days - Average snowfall days in December:
17.6 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Rexburg, ID
- 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:
4h and 30min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 6min - Average sunshine in April:
10h and 6min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Rexburg, ID
- Average sunshine days in January:
12.7 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
15.2 days
- Average sunshine days in July:
20.6 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
11.4 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).
Average UV index
Rexburg, ID
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Rexburg, ID
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Rexburg, ID
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 and December (4mi).
