| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.8° | -5.4° | 68.5mm | 9.7 | 24 |
| February | 7.9° | -4.5° | 56.9mm | 8.8 | 34 |
| March | 12.4° | -1.2° | 67.6mm | 11.4 | 48 |
| April | 18.5° | 3.9° | 80.9mm | 12.2 | 71 |
| May | 23° | 9.5° | 105.1mm | 14.1 | 72 |
| June | 27.6° | 14.6° | 111.6mm | 12.3 | 73 |
| July | 29.8° | 16.7° | 103mm | 12.1 | 65 |
| August | 29° | 15.8° | 104.5mm | 12.5 | 67 |
| September | 25.3° | 12° | 101.1mm | 9.9 | 80 |
| October | 19.3° | 5.7° | 64.7mm | 9.3 | 79 |
| November | 13.1° | -0.2° | 66.7mm | 9.1 | 56 |
| December | 7.8° | -3.6° | 71.4mm | 10.2 | 32 |
January in Harrisonburg averages a daily high of 5.8°C with nights around -5.4°C. Expect roughly 9.7 wet days totalling 68.5mm. A hard month to visit for comfort alone.
February in Harrisonburg averages a daily high of 7.9°C with nights around -4.5°C. Expect roughly 8.8 wet days totalling 56.9mm. A hard month to visit for comfort alone.
March in Harrisonburg averages a daily high of 12.4°C with nights around -1.2°C. Expect roughly 11.4 wet days totalling 67.6mm. Demanding conditions — pack for it and plan indoor options.
April in Harrisonburg averages a daily high of 18.5°C with nights around 3.9°C. Expect roughly 12.2 wet days totalling 80.9mm. Generally workable, with some weather to plan around.
May in Harrisonburg averages a daily high of 23°C with nights around 9.5°C. Expect roughly 14.1 wet days totalling 105.1mm. Generally workable, with some weather to plan around.
June in Harrisonburg averages a daily high of 27.6°C with nights around 14.6°C. Expect roughly 12.3 wet days totalling 111.6mm. Generally workable, with some weather to plan around.
July in Harrisonburg averages a daily high of 29.8°C with nights around 16.7°C. Expect roughly 12.1 wet days totalling 103mm. Generally workable, with some weather to plan around.
August in Harrisonburg averages a daily high of 29°C with nights around 15.8°C. Expect roughly 12.5 wet days totalling 104.5mm. Generally workable, with some weather to plan around.
September in Harrisonburg averages a daily high of 25.3°C with nights around 12°C. Expect roughly 9.9 wet days totalling 101.1mm. Comfortable conditions for being outdoors all day.
October in Harrisonburg averages a daily high of 19.3°C with nights around 5.7°C. Expect roughly 9.3 wet days totalling 64.7mm. Comfortable conditions for being outdoors all day.
November in Harrisonburg averages a daily high of 13.1°C with nights around -0.2°C. Expect roughly 9.1 wet days totalling 66.7mm. Generally workable, with some weather to plan around.
December in Harrisonburg averages a daily high of 7.8°C with nights around -3.6°C. Expect roughly 10.2 wet days totalling 71.4mm. A hard month to visit for comfort alone.
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. Harrisonburg peaks at 80.
Based on 30 years of records, May–June scores highest for comfort in Harrisonburg, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29.8°C.
June is the wettest, averaging 111.6mm of rain across roughly 12.3 wet days.
January is the coolest month, with average daily highs around 5.8°C.