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Contents
- The climate of Alva
- The best time to visit Alva
- The worst time to visit Alva
- Spring weather in Alva
- Summer weather in Alva
- Autumn weather in Alva
- Winter weather in Alva
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Alva
Residing at the heart of Oklahoma, USA, Alva experiences the characteristic conditions of a Humid subtropical climate. As indicated by its Köppen climate classification, Cfa, Alva has no distinct dry season, thus it sees a significant amount of rainfall throughout the year. Depending on the month, Alva records temperatures between -1.2°C and 35.2°C. The place experiences moderate humidity ranging from 53% to 65%. The city gets 16mm of rainfall in its driest months to 87mm in its wettest month, contributing to its humid subtropical climate.
Unique weather patterns emerge when observing Alva throughout the year. A noticeable trait is the city's varying temperature range. Heat peaks from 25.9°C to 35.2°C through May to August while the city cools down to between -1.2°C and 16.1°C from November to February. Snowfall in Alva is nominal, with the majority observed from 1mm to 44mm between November and February. On the brighter side, Alva enjoys long daylight hours ranging from 9.7 hours to 14.7 hours, and receives 6.4 hours to 11.5 hours of sunshine each day on average throughout the year.
Despite all the flux, winds remain relatively consistent across the twelve months, averaging between 15km/h and 19.3km/h. Cloud coverage throughout the year fluctuates between 17% to 32%, which allows ample sunlight to reach the city.
Unique weather patterns emerge when observing Alva throughout the year. A noticeable trait is the city's varying temperature range. Heat peaks from 25.9°C to 35.2°C through May to August while the city cools down to between -1.2°C and 16.1°C from November to February. Snowfall in Alva is nominal, with the majority observed from 1mm to 44mm between November and February. On the brighter side, Alva enjoys long daylight hours ranging from 9.7 hours to 14.7 hours, and receives 6.4 hours to 11.5 hours of sunshine each day on average throughout the year.
Despite all the flux, winds remain relatively consistent across the twelve months, averaging between 15km/h and 19.3km/h. Cloud coverage throughout the year fluctuates between 17% to 32%, which allows ample sunlight to reach the city.
The best time to visit Alva
For those seeking a balance between pleasant weather and vibrant outdoor activities, it is recommended to visit Alva from late spring to early autumn, specifically from May to September. During this period, average high temperatures fluctuate from 25.9°C to 33.9°C backed by longer daylight hours ranging from 14.1 hours to 14.7 hours. Additionally, sunshine hours range from 10 hours to 11.5 hours, allowing sufficient time to explore the city under clear skies. Not to mention, humidity stays relatively low from 57% to 65% which further enhances the comfort of outdoor activities.
The worst time to visit Alva
Those who prefer to avoid the biting cold or excessive heat may find the period from November to February and July to August respectively uncomfortable in Alva. It is during these months that temperatures swing towards the extremes of the spectrum. Late autumn and winter becomes chilly with temperatures plummeting to lows between -1.2°C and 5.3°C. Whereas during the peak summer months, the city encounters a heatwave with temperatures soaring to highs of 35.2°C.
Spring weather in Alva
Spring in Alva welcomes comparably mild weather from March to May. Average high temperatures slowly climb from a comfortable 16.1°C to a warm 25.9°C while average low temperatures also rise from 5.3°C to 14.9°C. As the season progresses, rainfall slightly increases from 24mm to 87mm, paving the way for lush greenery. Moreover, daylight hours also extend noticeably, providing ample sunlight from 12 hours to 14.1 hours, making it an ideal time for outdoor enthusiasts to enjoy nature in full bloom.
Summer weather in Alva
Summer in Alva, stretching from June to August, is characterized by hot and slightly humid conditions. High temperatures lie within a snug range from 29.3°C to 35.2°C while nighttime temperatures stay between 18.9°C to 23.8°C. Despite the increase in temperature, the city stays relatively dry with rainfall between 46mm to 48mm. Importantly, daylight extends up to 14.7 hours, while sunshine hours remain high from 11.3 hours to 11.5 hours, setting the stage for an ideal summertime experience.
Autumn weather in Alva
Autumn in Alva brings a relief from the sweltering summer heat. From September to November, the city gradually cools with average high temperatures moving from a summery 29.3°C down to a mild 14.5°C. The drop in temperature is accompanied by a decrease in rainfall as the city receives from 39mm to 16mm. The spectacular changes in the foliage, coupled with comfortable temperatures and the city bathed in 9.1 to 6.6 hours of sunshine make it an enticing season to witness.
Winter weather in Alva
Winters in Alva are relatively cold, with temperatures ranging from a low of -1.2°C to a high 8.4°C, accompanied by scant snowfall. The city registers from 1mm to 24mm of snow, mostly between December and February. Adding to the overall chill, daylight becomes limited falling from 10.2 hours to 9.7 hours. Despite the cold, being under a blanket of minimal cloud cover, the city receives 6.4 to 6.6 hours of sunshine each day, maintaining winter's bright and crisp demeanour.
Weather in January
Prominent features of Alva’s weather in January are its chill and frequent snowfall, which set a frosty tone for the year. The city experiences winter at its peak during this month. It eases off into February, with temperatures rising sightly and providing gradual relief from the intense cold. Weather in January »
Weather in February
February signals the beginning of a gentler winter period in Alva, with temperatures climbing from the lows of January. The days get slightly longer, softening the harsh darkness of winter, and the thawing process ups the ante with more rain. Weather in February »
Weather in March
March in Alva, Oklahoma, USA marks the transition from winter to spring. The month witnesses a significant increase in temperature, outrightly dismissing the severe cold of the first two months. More rain, less snow and temperatures peaking at 16.1°C signify the onset of a new season. Weather in March »
Weather in April
April brings the joyful spring weather in full form to Alva, with a favorable rise in temperature and ample sunshine, while snowfall becomes a forgotten memory. Relative humidity increases slightly compared to March, suggesting frequent showers. Weather in April »
Weather in May
The weather in May in Alva uplifts the spirit significantly. Temperatures continue their upward climb from April, signaling the beginning of a warm summer. Alongside, rainfall occurs more frequently than in the preceding months, nurturing the thriving nature. Weather in May »
Weather in June
June in Alva is a harbinger of the incoming summer heat, with temperatures escalating rapidly from the previous month's measures. The weather becomes progressively drier, and the intensifying sun dictates longer daylight hours. The temperature peaks at a sizzling 33°C while maintaining a substantial 46mm of rainfall. Weather in June »
Weather in July
July firmly establishes itself as the warmest month of the year in Alva, bringing the most intense heat of the summer. The temperature maintains a high threshold, yet the sunlight decreases gradually from June. Interestingly, July experiences the peak temperature of the year at 35.2°C, alongside ample sunshine for 11.3 hours per day. Weather in July »
Weather in August
The weather in August in Alva, Oklahoma, USA, sees a slight dip in the temperature from the highs of July, yet summer continues in full swing. The month maintains a high temperature, plentiful sunshine, and fewer daylight hours than July. Weather in August »
Weather in September
September introduces a perceptible change in the Alva weather as it transitions into autumn. The temperatures decline significantly from the scorching summer highs of the previous months, ushering in a welcome coolness. Relative humidity and daylight hours both decrease compared to August, heralding in the arrival of autumn. Weather in September »
Weather in October
The month of October sees Alva, Oklahoma, USA, getting crisper, with temperatures continuing their downward trend from September. October displays the definitive arrival of autumn, bringing shorter daylight hours, cooler temperatures, and sporadic rain showers. Weather in October »
Weather in November
In Alva, November serves as the precursor to the winter season. The month experiences a marked reduction in temperature from October, preparing the city for the upcoming chill. With shorter daylight hours and an increased likelihood of rainfall, November ushers in the winter vibe. Weather in November »
Weather in December
December sees the return of winter in Alva, Oklahoma, USA, with the temperature rapidly declining from that of November. Snowfall and reduced daylight hours dominate the city's weather patterns, providing a white blanket and a magical winter aura. Weather in December »
Updated: Aug 19, 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
What is the coldest time of year?
In Alva, the average lowest temperatures are observed in January, with a high of 8.1°C and a low of -1.2°C.
What is the driest month?
January, February, November and December are months with the least rain in Alva when the rain falls for 3.7 days and typically aggregates up to 16mm of rain.
How much does it rain?
Throughout the year, there are 105.5 rainfall days, and 460mm of precipitation is accumulated.
When does it snow in Alva?
January through April, October through December are months with snowfall.
How much does it snow?
In Alva, during the entire year, snow falls for 10.8 days and aggregates up to 131mm of snow.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 3.3 days and typically aggregates up to 44mm of snow.
When is Daylight Saving Time (DST)?
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.
What is the most humid month in Alva?
The most humid month is May, with an average relative humidity of 65%.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 12.9 days and accumulates 87mm of precipitation.
When it does not snow in Alva?
May through September are months without snowfall.
When are the longest days in Alva?
With an average of 14h and 36min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine in Alva is June, with an average of 11.5h of sunshine.
When is the highest UV index?
June is the month with the highest UV index, with an average maximum UV index of 8.
What month is the hottest?
July is the month when Alva's temperatures reach their peak, with averages of 35.2°C and lows of 23.8°C.
What is the least humid month?
July is the least humid month, with an average relative humidity of 53%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
What is the month with the least sunshine?
With an average of 6.4h of sunshine, December has the least sunshine of the year.
Average temperature
Alva, OK
The warmest month (with the highest average high temperature) is July (35.2°C).
The month with the lowest average high temperature is January (8.1°C).
The month with the highest average low temperature is July (23.8°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure
Alva, OK
- Average pressure in January:
1021.3mbar - Average pressure in February:
1019.6mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1012.2mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1011mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1013.4mbar - Average pressure in September:
1015.1mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1018.9mbar - Average pressure in December:
1020.3mbar
The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1011mbar).
Average wind speed
Alva, OK
- Average wind speed in January:
16.4km/h - Average wind speed in February:
17.2km/h - Average wind speed in March:
18.5km/h - Average wind speed in April:
19.3km/h - Average wind speed in May:
17.2km/h - Average wind speed in June:
17.7km/h
- Average wind speed in July:
15km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
15.8km/h - Average wind speed in October:
16.9km/h - Average wind speed in November:
17.3km/h - Average wind speed in December:
16km/h
The windiest month (with the highest average wind speed) is April (19.3km/h).
The calmest month (with the lowest average wind speed) is August (14.5km/h).
Average humidity
Alva, OK
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is July (53%).
Average rainfall
Alva, OK
The wettest month (with the highest rainfall) is May (87mm).
The driest months (with the least rainfall) are January, February, November and December (16mm).
Average rainfall days
Alva, OK
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
12.9 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
11.6 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall
Alva, OK
The month with the highest snowfall is February (44mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Alva, OK
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.4 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:
0.3 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
1.8 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Alva, OK
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 3min - Average sunshine in February:
7h and 5min - Average sunshine in March:
7h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 3min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 1min - Average sunshine in October:
7h and 3min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 2min
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 24min).
Average sunshine days
Alva, OK
- Average sunshine days in January:
25.2 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
17 days - Average sunshine days in May:
16.2 days - Average sunshine days in June:
16.4 days
- Average sunshine days in July:
15.9 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
24.4 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index
Alva, OK
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Alva, OK
The months with the most cloud cover are March and April (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility
Alva, OK
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).