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Pharr, Texas climate
BSh Hot semi-arid
Pharr has a seasonal tropical climate (Hot semi-arid, Köppen BSh). The hottest month is August with an average daily high near 100°F, while the coldest is January averaging around 53°F at night. Precipitation totals about 22 inches a year and is strongly seasonal — September alone averages 4.6 inches while February barely receives 0.72 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsPharr climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 77 | 83 | 88 | 93 | 97 | 99 | 100 | 94 | 89 | 80 | 74 |
| Avg temp (°F) | 63 | 67 | 73 | 78 | 84 | 88 | 89 | 89 | 85 | 79 | 70 | 64 |
| Avg low (°F) | 53 | 57 | 63 | 68 | 74 | 78 | 79 | 79 | 76 | 69 | 60 | 54 |
| Precipitation (in) | 0.8 | 0.7 | 1.4 | 1.4 | 2.0 | 3.1 | 2.0 | 1.8 | 4.6 | 2.1 | 1.2 | 1.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 77 | 83 | 88 | 93 | 97 |
| Avg temp (°F) | 63 | 67 | 73 | 78 | 84 | 88 |
| Avg low (°F) | 53 | 57 | 63 | 68 | 74 | 78 |
| Precipitation (in) | 0.8 | 0.7 | 1.4 | 1.4 | 2.0 | 3.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 99 | 100 | 94 | 89 | 80 | 74 |
| Avg temp (°F) | 89 | 89 | 85 | 79 | 70 | 64 |
| Avg low (°F) | 79 | 79 | 76 | 69 | 60 | 54 |
| Precipitation (in) | 2.0 | 1.8 | 4.6 | 2.1 | 1.2 | 1.1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 4 | 4 | 4 | 4 | 5 | 5 | 4 | 8 | 5 | 5 | 6 |
| Days with high ≥ 90°F (days) | 0.4 | 2 | 6 | 13 | 24 | 28 | 30 | 30 | 24 | 16 | 3 | 0.5 |
| Days with low ≤ 32°F (days) | 0.3 | 0.3 | — | — | — | — | — | — | — | — | 0.1 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 4 | 4 | 4 | 4 | 5 |
| Days with high ≥ 90°F (days) | 0.4 | 2 | 6 | 13 | 24 | 28 |
| Days with low ≤ 32°F (days) | 0.3 | 0.3 | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 4 | 8 | 5 | 5 | 6 |
| Days with high ≥ 90°F (days) | 30 | 30 | 24 | 16 | 3 | 0.5 |
| Days with low ≤ 32°F (days) | — | — | — | — | 0.1 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 59 | 60 | 58 | 52 | 42 | 38 | 38 | 46 | 41 | 50 | 59 |
| Clear days (≤ 30% cloud) | 8 | 7 | 7 | 7 | 8 | 13 | 15 | 15 | 12 | 14 | 10 | 7 |
| Partly cloudy days (30–70%) | 9 | 8 | 10 | 11 | 12 | 11 | 10 | 11 | 10 | 10 | 10 | 10 |
| Cloudy days (≥ 70%) | 14 | 13 | 14 | 12 | 11 | 6 | 6 | 5 | 8 | 7 | 10 | 14 |
| Relative humidity (%) | 71 | 69 | 66 | 65 | 66 | 66 | 67 | 66 | 72 | 71 | 71 | 71 |
| Wind speed (mph) | 7.3 | 8.1 | 8.7 | 9.0 | 9.0 | 8.5 | 8.7 | 7.5 | 6.0 | 6.6 | 6.9 | 7.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 59 | 60 | 58 | 52 | 42 |
| Clear days (≤ 30% cloud) | 8 | 7 | 7 | 7 | 8 | 13 |
| Partly cloudy days (30–70%) | 9 | 8 | 10 | 11 | 12 | 11 |
| Cloudy days (≥ 70%) | 14 | 13 | 14 | 12 | 11 | 6 |
| Relative humidity (%) | 71 | 69 | 66 | 65 | 66 | 66 |
| Wind speed (mph) | 7.3 | 8.1 | 8.7 | 9.0 | 9.0 | 8.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 38 | 38 | 46 | 41 | 50 | 59 |
| Clear days (≤ 30% cloud) | 15 | 15 | 12 | 14 | 10 | 7 |
| Partly cloudy days (30–70%) | 10 | 11 | 10 | 10 | 10 | 10 |
| Cloudy days (≥ 70%) | 6 | 5 | 8 | 7 | 10 | 14 |
| Relative humidity (%) | 67 | 66 | 72 | 71 | 71 | 71 |
| Wind speed (mph) | 8.7 | 7.5 | 6.0 | 6.6 | 6.9 | 7.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Mcallen Miller Intl AP (NOAA GHCN station USW00012959), about 6 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.