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City briefing

Green Valley

Maryland, United States · 13,000 people
Jan
Feb
Mar
Apr
May
Jun
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The year’s records
Annual mean 14°C · wettest around May · prevailing wind W
Warmest
30.1 °C
Coldest
3.1 °C
Wettest
65%
Windiest
4.6 m/s
Prevailing
W
3.4 m/s average

When this place is good five ratings · thirty-six ten-day sections · click a cell to read it

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Dec

Every reading

bars actual · line feels-like, °C
-5051015202530JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember-5051015202530JFMAMJJASOND

The average temperature in Green Valley over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C.

Month by month Green Valley climate by month: average temperatures year round · click a month to read it

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January3°C-1°C-2°C62%51%3.1 m/s2011
February6°C1°C1°C65%47%3.0 m/s4022
March10°C4°C5°C64%45%3.3 m/s13040
April16°C9°C12°C65%46%3.1 m/s36659
May21°C14°C19°C68%53%2.3 m/s562156
June26°C19°C26°C65%39%2.3 m/s514727
July29°C22°C31°C65%36%1.8 m/s20545
August28°C20°C29°C66%40%1.8 m/s365612
September24°C17°C24°C67%43%1.9 m/s613839
October19°C11°C17°C64%44%2.2 m/s531266
November11°C5°C7°C62%39%2.6 m/s15146
December6°C1°C1°C64%50%2.6 m/s1020

High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.

Seasons, and the year in short Green Valley weather by season

Year round, Green Valley has days of about 3°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -1°C to 22°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around May and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.

Green Valley weather in winterDecember to February

High 5°CLow 1°CRain 64%

Winter in Green Valley has typical daily highs of about 5°C and lows of about 1°C, with a 64% chance of rain on a given day.

Green Valley weather in springMarch to May

High 16°CLow 9°CRain 66%

Spring in Green Valley has typical daily highs of about 16°C and lows of about 9°C, with a 66% chance of rain on a given day.

Green Valley weather in summerJune to August

High 28°CLow 20°CRain 65%

Summer in Green Valley has typical daily highs of about 28°C and lows of about 20°C, with a 65% chance of rain on a given day.

Green Valley weather in autumnSeptember to November

High 18°CLow 11°CRain 64%

Autumn in Green Valley has typical daily highs of about 18°C and lows of about 11°C, with a 64% chance of rain on a given day.

When is the rainy season in Green Valley?

Green Valley has no sharply defined rainy season: the chance of rain on a given day runs from 62% in January, the driest month, to 68% in May, the wettest.

What time of year is Green Valley windiest?

Winds in Green Valley are highest in March, averaging 3.3 m/s (12 km/h), and lightest in July, at 1.8 m/s (6 km/h). The prevailing wind is from the W.

What is the average temperature in Green Valley year round?

The average temperature in Green Valley over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C.

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