| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 22.7° | 10.8° | 17.7mm | 5.6 | 89 |
| February | 24.9° | 12.8° | 16.8mm | 4.5 | 91 |
| March | 28° | 16.2° | 29mm | 4.2 | 88 |
| April | 31.1° | 19.6° | 32.2mm | 3.9 | 76 |
| May | 33.8° | 22.9° | 53.4mm | 4.3 | 64 |
| June | 36.1° | 24.8° | 65.1mm | 4.7 | 54 |
| July | 36.6° | 25.3° | 62mm | 5.2 | 51 |
| August | 37.3° | 25.5° | 46.6mm | 4.8 | 49 |
| September | 34.6° | 23.7° | 111mm | 7.8 | 54 |
| October | 31.6° | 19.8° | 47.1mm | 5.9 | 70 |
| November | 26.7° | 15.2° | 37.4mm | 5.6 | 89 |
| December | 23.2° | 11.7° | 24.8mm | 5.4 | 89 |
January in Pharr averages a daily high of 22.7°C with nights around 10.8°C. Expect roughly 5.6 wet days totalling 17.7mm. Comfortable conditions for being outdoors all day.
February in Pharr averages a daily high of 24.9°C with nights around 12.8°C. Expect roughly 4.5 wet days totalling 16.8mm. Comfortable conditions for being outdoors all day.
March in Pharr averages a daily high of 28°C with nights around 16.2°C. Expect roughly 4.2 wet days totalling 29mm. Comfortable conditions for being outdoors all day.
April in Pharr averages a daily high of 31.1°C with nights around 19.6°C. Expect roughly 3.9 wet days totalling 32.2mm. Comfortable conditions for being outdoors all day.
May in Pharr averages a daily high of 33.8°C with nights around 22.9°C. Expect roughly 4.3 wet days totalling 53.4mm. Generally workable, with some weather to plan around.
June in Pharr averages a daily high of 36.1°C with nights around 24.8°C. Expect roughly 4.7 wet days totalling 65.1mm. Demanding conditions — pack for it and plan indoor options.
July in Pharr averages a daily high of 36.6°C with nights around 25.3°C. Expect roughly 5.2 wet days totalling 62mm. Demanding conditions — pack for it and plan indoor options.
August in Pharr averages a daily high of 37.3°C with nights around 25.5°C. Expect roughly 4.8 wet days totalling 46.6mm. Demanding conditions — pack for it and plan indoor options.
September in Pharr averages a daily high of 34.6°C with nights around 23.7°C. Expect roughly 7.8 wet days totalling 111mm. Demanding conditions — pack for it and plan indoor options.
October in Pharr averages a daily high of 31.6°C with nights around 19.8°C. Expect roughly 5.9 wet days totalling 47.1mm. Generally workable, with some weather to plan around.
November in Pharr averages a daily high of 26.7°C with nights around 15.2°C. Expect roughly 5.6 wet days totalling 37.4mm. Comfortable conditions for being outdoors all day.
December in Pharr averages a daily high of 23.2°C with nights around 11.7°C. Expect roughly 5.4 wet days totalling 24.8mm. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Pharr peaks at 91.
Based on 30 years of records, November–March scores highest for comfort in Pharr, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 37.3°C.
September is the wettest, averaging 111mm of rain across roughly 7.8 wet days.
January is the coolest month, with average daily highs around 22.7°C.