San Juan, TX Weather


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The most pleasant months of the year for San Juan are November, March and February. In San Juan, there are 5 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for San Juan with an average high temperature of 97.5°, which ranks it as warmer than most places in Texas. Any measurable snowfall is a rare occurance in San Juan. The humidity here has been described as oppressive in July and August.

Today's Weather - San Juan, TX

8 AM PST

Partly Sunny

77°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayPartly Sunny91° / 75°SSE 21 mph
SaturdayMostly Sunny92° / 75°SSE 20 mph
SundayMostly Sunny94° / 75°S 10 to 20 mph
MondayMostly Sunny92° / 74°SE 15 mph
TuesdaySlight Chance Showers And Thunderstorms91° / 75°SE 13 to 17 mph
WednesdayPartly Sunny90° / 74°SE 15 to 22 mph
ThursdayMostly Sunny then Slight Chance Showers And Thunderstorms91° / 74°SE 21 mph

Weather Highlights

Summer High: the July high is around 97 degrees
Winter Low: the January low is 49
Rain: averages 22 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the San Juan area is 1.4 (10=best), which means it is less comfortable than most places in Texas.

1.4 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January70° 49°
February74° 53°
March81° 58°
April86° 65°
May91° 71°
June95° 75°
July97° 76°
August98° 76°
September93° 73°
October87° 66°
November79° 58°
December71° 50°
Hot, Freezing, Rainy, Snowy Days: San Juan
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January0160
February1050
March3040
April8040
May18040
June27050
July29050
August29050
September22070
October11050
November2040
December0150

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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