Climate and monthly weather forecast
Grove, OK

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The climate of Grove

Grove, Oklahoma falls under the Köppen climate classification of Cfa, which is characterized by a predominately humid subtropical climate with no dry season. This southeastern city faces diversified weather patterns influenced by its geographical positioning.

An assessment of the humidity relative data reveals monthly averages varying between 70% to 78%. The highest level of humidity, around 78%, is generally observed during the month of May, contributing to moist and heavy air. Subsequently, the humidity decreases slightly, averaging 74% in June, and hovering at around 71% for the months of July and November.

The city experiences a significant quantity of rainfall throughout the year with monthly averages ranging from 1.65" (42mm) to 4.96" (126mm). The month of May witnesses the highest average rainfall at 4.96" (126mm), while the lowest level of rainfall could be observed in February with 1.65" (42mm). The rainfall frequency, equated in days, is quite diverse over the year. It ranges between 7.5 days in December to 15.7 days in May, indicating the possibility of frequent showers during the spring month.

The maximum temperature in Grove varies between 44.4°F (6.9°C) in January and 90.7°F (32.6°C) in July, while the minimum temperature fluctuates from 28.8°F (-1.8°C) in January to 70.5°F (21.4°C) in July. Hence, noticeably, the summer months of June through August are balmy, whilst the winter months from December to February are considerably chilly.

The best time to visit Grove

Given the weather conditions, the best time for visiting Grove might be late Spring to early Summer (May to June). With temperatures from 59.5°F (15.3°C) to 87.1°F (30.6°C) and relative humidity around 78%, the city offers a pleasant weather balance. These conditions are indeed conducive for outdoor activities and exploration.

The worst time to visit Grove

Relying on climate data, it could be suggested that the months of December, January, and February, might not be the best time to visit Grove. During these winter months, the temperatures can drop to as low as 28.8°F (-1.8°C). Combined with a relative humidity hovering around 73%, the conditions can feel considerably colder.

Spring weather in Grove

Spring months in Grove, namely March, April and May, invite a temperate climate. March greets the city with an average high temperature of 59.5°F (15.3°C) and an average low of 41.7°F (5.4°C). Gradually, by May, the temperatures reach an average high of 76.6°F (24.8°C) and an average low of 58.1°F (14.5°C). Rainfall is most prominent during this season, especially in May, with an average precipitation of 4.96" (126mm).

Summer weather in Grove

The Summer months of June, July, and August in Grove extend a warm welcome. Average temperatures during this period range between 68.4°F (20.2°C) and 90.7°F (32.6°C), elevating the city's warmth quotient. Rainfall maintains a steady presence, with an average of 2.95" (75mm) in June and August and slightly higher of 3.03" (77mm) in July.

Autumn weather in Grove

Autumn, from September to November in Grove, provides a blend of mild and cooler weather conditions. Temperature averages are distributed between 40.5°F (4.7°C) and 82°F (27.8°C). Rainfall during these months is more moderated compared to Spring and Summer, with an average of 1.77" (45mm) in November.

Winter weather in Grove

In Winter, from December till February, Grove experiences average temperatures from 28.8°F (-1.8°C) to 48.6°F (9.2°C) with relative humidity revolving around 73%. Moreover, a small amount of snowfall can be observed with averages between 0.47" (12mm) and 1.34" (34mm).

Weather in January

January sets the stage for Grove’s year, breaking the ice with the coldest temperatures observed annually. Extreme contrasting aspects of the local weather come to the fore with below freezing lows at 28.8°F (-1.8°C) and highs reaching up to 44.4°F (6.9°C), painting a picture of the sharp swings in temperature. Weather in January »

Weather in February

As Grove moves into February, a slight increase in warmth can be observed, signaling the beginning of a transition away from the intense cold of January. February introduces the highest snowfall in the year with 1.34" (34mm) observed, reminding residents that winter is not yet over. Weather in February »

Weather in March

The arrival of March marks a notable transition in Grove's weather as signs of Spring become more pronounced. The departure from winter is evident as the average temperatures rise steadily, making this month cooler than April, but decidedly warmer than February. Weather in March »

Weather in April

April in Grove sees a continuation of the rising temperature trend, setting the tone for the rapidly approaching summer. The city experiences its greatest rainfall volume with 3.27" (83mm), making it the wettest month of the year. Weather in April »

Weather in May

As the peak of Spring, May brings increasingly warmer temperature averages to Grove. While the mercury continues to rise, the month surprisingly receives a slightly lower volume of rainfall than April, although it is still higher compared to what June will bring. Weather in May »

Weather in June

June in Grove typically ushers in the start of summer, with temperatures spiking higher than any other month in the first half of the year. Although temperatures soar, rainfall volume decreases to 2.48" (63mm), which is significantly less than May's volume. Weather in June »

Weather in July

July forms the apex of summer in Grove, with temperatures reaching yearly highs. Average highs top at 90.7°F (32.6°C) confirming its status as the hottest month in the calendar year. There is a slight uptick in rainfall volume observed from June, but rainfall days remain uniform. Weather in July »

Weather in August

In August, summer continues to grip Grove with nearly identical temperatures to July. Despite being as hot, a minor decrease in average high temperatures signals the upcoming transition to fall. Rainfall volume and days remain relatively constant throughout the month. Weather in August »

Weather in September

September in Grove marks the departure from high summer temperatures, signaling the start of the Fall season. Rainfall volume lowers slightly separating it from the wetter months of summer. Daylight hours and the UV index reduce markedly, marking the end of the summer season. Weather in September »

Weather in October

Holiday season starts in October, bringing with it a sharp decline in temperatures, making it cooler than September and November. The highest decrease in rainfall volume throughout the year can be observed in October, making this a comparatively drier month. Weather in October »

Weather in November

November brings further cooling to Grove, setting the stage for the approaching winter. Comparatively, November experiences fewer rainfall days than October, leading to a gradual dry spell. Grove sees the return of snowfall after a long hiatus since February. Weather in November »

Weather in December

December wraps up the year with the fullest expression of winter. Temperatures drop to their second lowest averages for the year, following only behind January. Rainfall days decrease from November's count, but slight snowfall is observed once again. Weather in December »

Frequently asked questions

What part of the year is the coldest?

Grove's temperature records reveal January as the coldest month, marked by average highs of 44.4°F (6.9°C) and lows of 28.8°F (-1.8°C).

How many days does it rain?

In Grove, during the entire year, the rain falls for 143.6 days and collects up to 32.52" (826mm) of precipitation.

When does it snow?

Months with snowfall are January through March, May, November and December.

How much does it snow?

Throughout the year, there are 10.7 snowfall days, and 3.9" (99mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5.5h of sunshine.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 8.7 days and typically collects 1.65" (42mm) of precipitation.

When does it snow the most?

February is the month with the most snowfall in Grove. Snow falls for 3.5 days and accumulates 1.34" (34mm) 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.

When it does not snow?

In Grove, snow does not fall in April, June through October.

What is the most humid month?

With an average relative humidity of 78%, May is the most humid month.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 15.7 days and accumulates 4.96" (126mm) of precipitation.

When are the longest days in Grove?

The month with the longest days is June, with an average of 14h and 36min of daylight.

What are the months with the highest UV index?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What month is the hottest?

July, recording an average high temperature of 90.7°F (32.6°C) and a low temperature of 70.5°F (21.4°C), is Grove's warmest month.

What is the month with the most sunshine?

July and August, with an average of 10.8h of sunshine, are months with the most sunshine.

What are the least humid months?

The months with the lowest humidity in Grove are August and October, with an average relative humidity of 70%.

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.

Average temperature
Grove, OK

Average temperature - Grove, OK

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.4°F).

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure
Grove, OK

Average pressure - Grove, OK

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Grove, OK

Average wind speed - Grove, OK

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity
Grove, OK

Average humidity - Grove, OK

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (70%).

Average rainfall
Grove, OK

Average rainfall - Grove, OK

The wettest month (with the highest rainfall) is May (4.96").
The driest month (with the least rainfall) is February (1.65").

Average rainfall days
Grove, OK

Average rainfall days - Grove, OK

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is December (7.5 days).

Average snowfall
Grove, OK

Average snowfall - Grove, OK

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Grove, OK

Average snowfall days - Grove, OK

The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Grove, OK

Average daylight / Average sunshine - Grove, OK

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).

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days
Grove, OK

Average sunshine days - Grove, OK

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is April (12.9 days).

Average visibility
Grove, OK

Average visibility - Grove, 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).

Grove, Oklahoma, USA

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