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Sonora, TX Weather
Sonora, Texas sits at 30.5707, -100.6418. Its warmest month is July, when the day usually reaches 95F, and its coldest is January, when the night usually falls to 30F. June is the wettest, with rain on about 5 days. The hottest day in the station record is 109F on June 28, 1980, and the coldest night -8F on February 2, 1951. This page carries live conditions, an hour by hour timeline, a ten day outlook, radar, monthly averages and searchable daily history back to 1940.
About Sonora weather
Sonora sits at 30.5707, -100.6418 and covers about 2.226 square miles. The forecast above is live: current conditions lead with the HRRR model, corrected against the nearest reporting station and against radar overhead, because a model can lag a storm and the radar cannot.
The tabs at the top of this page carry the hour by hour timeline, the ten day outlook and live radar. Where the models disagree about a day, the rock says so on the day rather than quietly picking a winner.
The rock grades itself against what actually happened and publishes the result whether it flatters it or not. Those standings live in the Receipts.
Where these numbers come from
Current conditions and forecast: NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
Radar: NOAA MRMS merged reflectivity, rendered into tiles by myweatherrock.
Monthly averages and records: computed by myweatherrock from NOAA GHCN-Daily station records at the nearest qualifying station, named on this page with its distance. Measurements, not estimates.
Daily history search: the town's own NOAA GHCN-Daily station file, held on our server, measurements by day. Months the station missed fall back to the Open-Meteo historical archive (reanalysis), and the page says so when it does.
What the weather is usually like in Sonora
Sonora is warmest in July, when the day usually reaches 95F, and coldest in January, when the night usually falls to 30F. June is the wettest month, with rain on about 5 days of it.
Usual high and low, by month
Days with rain, by month
The same year as numbers
Month
Usual high
Usual low
Rain days
Snow days
January
61F
30F
3
0
February
66F
34F
3
0
March
72F
42F
3
0
April
81F
50F
4
0
May
87F
61F
4
0
June
92F
68F
5
0
July
95F
70F
4
0
August
95F
70F
4
0
September
89F
62F
4
0
October
80F
52F
4
0
November
69F
41F
3
0
December
62F
31F
3
0
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Sonora station 1.5 miles away. A rain day means at least a hundredth of an inch fell, the same measurable-precipitation mark the Weather Service uses. Source: computed from the station record, NOAA GHCN daily.
Sonora weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Sonora: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Sonora weather records
In 112,425 days of observations Sonora has been as hot as 109F and as cold as -8F. Not averages: the actual days.
Hottest day
109F
June 28, 1980
Coldest night
-8F
February 2, 1951
Wettest day
7.92 in
September 1, 1976
Biggest snow
7.0 in
March 8, 1915
NOAA GHCN daily station records, observed 1902 to 2026: temperature at the Sonora station, 1.5 miles away. Station measurements, not estimates. Record dates reflect the station's own observation schedule, and the official state record may live at a different station.
Common questions about Sonora weather
Common questions
What is the weather usually like in Sonora, TX?
Sonora is warmest in July, when the day usually reaches 95F, and coldest in January, when the night usually falls to 30F. Rain falls on roughly 44 days a year, most often in June. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Sonora, TX?
About 44 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. June is the wettest month with rain on about 5 of its days, and January the driest with about 3.
What is the hottest it has ever been in Sonora, TX?
The hottest day measured for Sonora reached 109F on June 28, 1980, and the coldest night -8F on February 2, 1951. Both are real NOAA station measurements from the GHCN daily archive, observed 1902 to 2026, at the Sonora station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Sonora, TX?
Yes, and for free. The History tab on this page takes any month back to 1940 and shows every day of it: the high, the low, what fell, and that month's hottest and coldest day. No account and no payment.
Is the Sonora forecast on this page free, and does it track me?
It is free, carries no advertising, and needs no account. Nothing about a visitor leaves the device except the coordinates needed to fetch a forecast, and those are not stored against anyone.