Climate and monthly weather forecastAltus, OK
Climate and monthly weather forecast
The climate of Altus
Altus, Oklahoma, USA enjoys a Humid Subtropical climate with no dry season, as classified by the Köppen Climate Classification as Cfa. The geographical position of the city, nestled in the southwestern corner of the state, influences the various weather elements observed year-round.On examining climatological data, temperatures fluctuate from an average low of 33.4°F (0.8°C) in the coldest months to an average high of 96.4°F (35.8°C) in the summer months. Humidity stays relatively constant, fluctuating only lightly between 49% to 60%, thus maintaining an acceptable comfort level throughout the course of the year. The rainfall varies with each passing month, peaking at 3.35" (85mm) in May. Yet, there is no month devoid of rainfall, with even the driest month receiving 0.75" (19mm).
A unique weather feature in Altus is the relatively short winter with modest snowfall. With snowfall days not exceeding 2.4 in any month and total accumulation not exceeding 0.98" (25mm), it is evident the winter season is mild. Furthermore, the most significant wind development occurs from March until May, when winds reach average speeds of up to 12.4mph (20km/h).
The best time to visit Altus
The optimal period for visiting Altus would be in the tranquil transition periods of spring and fall when temperatures are not extreme and weather conditions are mostly benign. April to June is a particularly agreeable period presented with moderate temperatures varying between 45.7°F (7.6°C) to 73.9°F (23.3°C), respectable hours of daylight from 12 to 14.5 hours, and slight increase in precipitation.The worst time to visit Altus
The unfavorable time to venture toward Altus would be the peak of summer, specifically July and August. This period endures the highest temperatures, reaching up to 96.4°F (35.8°C). Coupled with 76.3°F (24.6°C) lowest temperatures, these months can become quite intense for outdoor activities.Spring weather in Altus
Spring in Altus extends from March to May, with temperatures steadily rising from 45.7°F (7.6°C) to 82.6°F (28.1°C). March still retains some of the winter chill but rapidly transitions to milder conditions as the season progresses. From a minimal 0.04" (1mm) of snowfall in March to complete disappearance of snow in April and May, Spring is a season of pleasant and congenial weather characteristics.Summer weather in Altus
Summer in Altus, spanning June through August, is the hottest season. Temperatures soar to a zenith of 96.4°F (35.8°C), while the lows remain comfortably high at 74.8°F (23.8°C) in August. Rainfall is a constant companion during these months, but it fails to offset the intense heat effectively.Autumn weather in Altus
Autumn in Altus, from September to November, brings moderation after the soaring summer temperatures. Daytime temperatures gradually decrease from 86.7°F (30.4°C) to a more tolerable 62.1°F (16.7°C), offering a splendid respite from the previous season's heatwave. Rainfall and humidity during this period remain constant and mild.Winter weather in Altus
Winter extends from December until February in Altus. The season witnesses the year's coldest temperatures, falling to as low as 33.4°F (0.8°C). As the year ends, the amount and duration of daylight diminish to a minimum of 9.9 hours in December. Despite the cold progression, the city only registers a minimal snowfall, making it a tolerably cold winter compared to other regions.Weather in January
January in Altus, Oklahoma sees an interesting mix of winter weather conditions. Cold and crisp temperatures are on display, with a high seldom going beyond the 52.3°F (11.3°C) mark, and lows getting quite frosty at 33.4°F (0.8°C). Weather in January »Weather in February
February signals a transition period where winter starts to loosen its icy grip. The temperatures observe a small dip compared to January, with a high of 55°F (12.8°C) and a noticeable low of 35.8°F (2.1°C). Clear, dry winds sweep across Altus most of the time, accompanied by clear skies and abundant sunshine. Weather in February »Weather in March
March brings a perceptible shift in the weather patterns of Altus. While the temperature always fluctuates, notably it rises from the lows in February 35.8°F (2.1°C) to highs of 66.7°F (19.3°C). The air holds the fresh, crisp scent of blooming flowers and the onset of Spring, with a definite increase in daylight hours. Weather in March »Weather in April
April showers are not a myth for the residents of Altus. The city sees a major increase in rainfall, with the April showers bringing May flowers. The temperatures also shoot up, ushering in bright, sunny days. The city is seen drenched in sunlight for longer hours, making for excellent exploring conditions. Weather in April »Weather in May
With May comes the early signs of summer in Altus. The temperature difference is palpable, reaching a high of 82.6°F (28.1°C) from the moderate April weather, heralding the arrival of summer. Longer daylight hours and decreased precipitation herald more opportunities for outdoor activities. Weather in May »Weather in June
June is when the summer weather truly comes into full force in Altus. The mercury occasionally hits the uncomfortable 93.6°F (34.2°C) mark, signaling the heart of summertime. The glorious sun blazes down upon the town for most part of the day. Weather in June »Weather in July
July represents the apex of summer in Altus, with temperatures skyrocketing to a fiery 96.4°F (35.8°C) during the hottest periods. July days are often sweltering, cloudless, and bring minimal precipitation. The azure skies stretch endlessly, interrupted only by the sparse clouds. Weather in July »Weather in August
With the arrival of August, Altus experiences the waning days of summer heat. The temperatures fluctuate, but can still reach a stifling high of 95.7°F (35.4°C). Cloudless skies provide relentless sunshine and the city appears bathed in gold. Weather in August »Weather in September
The weather slightly eases off in Altus come September, with a high of 86.7°F (30.4°C). Signals of autumn's arrival become more apparent, as the lush greenery begins to transition into a myriad of warm colors. Reminiscent of the heat of summer, the afternoon sun still manages to warm the day quite generously. Weather in September »Weather in October
Altus welcomes October, often considered the town's charm, with more significant drops in temperature. With the arrival of fall, the oscillation between daytime heat and nighttime cold becomes more pronounced. Trees donning their fall colors stand out against the soft sunlit backdrop during daytime. Weather in October »Weather in November
November marks the time when Altus begins to feel the stirrings of winter. The mercury continues to drop, fluctuating from the October high of 73.6°F (23.1°C) to 62.1°F (16.7°C). The fall foliage is now at its peak, with the town painted in the splendid colors of autumn. Weather in November »Weather in December
Altus welcomes December with colder temperatures, a high averaging at 51.6°F (10.9°C) and the return of the winter season. December days are short and filled with biting winds that sweep across the town. The festive season can be felt in the air, adding to the charm of the city. Weather in December »Updated: Jun 4, 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
Throughout the year, there are 104.5 rainfall days, and 20.59" (523mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 5.8 snowfall days, and 2.83" (72mm) of snow is accumulated.
The months with the least rainfall are February and November Rain falls for 5.7 days and accumulates 0.75" (19mm) of rain.
The month with the most snowfall is February, when snow falls for 2.4 days and typically aggregates up to 0.98" (25mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
May and December, with an average relative humidity of 60%, are most humid months.
May is the month with the most rainfall. Rain falls for 13.2 days and accumulates 3.35" (85mm) of precipitation.
May through October are months without snowfall.
May through August, with an average maximum UV index of 7, are months with the highest UV index.
June has the longest days of the year, with an average of 14h and 24min of daylight.
The month with the most sunshine is June, with an average of 11.5h of sunshine.
Altus experiences its highest temperatures in July, with an average peak of 96.4°F (35.8°C) and a low of 76.3°F (24.6°C).
August is the least humid month, with an average relative humidity of 49%.
December, with its high-temperature average of 51.6°F (10.9°C) and a low-temperature average of 34.5°F (1.4°C), is the coldest month.
December has the shortest days of the year, with an average of 9h and 54min of daylight.
With an average of 6.5h of sunshine, December has the least sunshine of the year.
With an average maximum UV index of 2, December is the month with the lowest UV index.
Average temperature
Altus, OK
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (51.6°F).
The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure
Altus, OK
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Altus, OK
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.7mph - Average wind speed in March:
11.7mph - Average wind speed in April:
12.4mph - Average wind speed in May:
11.4mph - Average wind speed in June:
11.2mph
- Average wind speed in July:
9.3mph - Average wind speed in August:
8.9mph - Average wind speed in September:
9.2mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.7mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity
Altus, OK
The months with the highest relative humidity are May and December (60%).
The month with the lowest relative humidity is August (49%).
Average rainfall
Altus, OK
- Average rainfall in January:
0.83" - Average rainfall in February:
0.75" - Average rainfall in March:
1.22" - Average rainfall in April:
2.99" - Average rainfall in May:
3.35" - Average rainfall in June:
2.01"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.5" - Average rainfall in September:
2.09" - Average rainfall in October:
2.13" - Average rainfall in November:
0.75" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are February and November (0.75").
Average rainfall days
Altus, OK
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
11.1 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
8 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Altus, OK
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Altus, OK
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.2 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Altus, OK
- Average daylight in January:
10h and 6min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 6min - Average sunshine in February:
8h and 12min - Average sunshine in March:
8h and 18min - Average sunshine in April:
8h and 54min - Average sunshine in May:
10h and 12min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 54min - Average sunshine in October:
7h and 36min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Altus, OK
- Average sunshine days in January:
25.9 days - Average sunshine days in February:
20.5 days - Average sunshine days in March:
21.4 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
15.2 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
17 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
21 days - Average sunshine days in November:
24.1 days - Average sunshine days in December:
24.7 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is August (15.1 days).
Average UV index
Altus, OK
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Altus, OK
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility
Altus, OK
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).
