| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.7° | -4.7° | 74.2mm | 7.1 | 30 |
| February | 7.5° | -3.7° | 58.1mm | 5.9 | 40 |
| March | 12.4° | -0.3° | 72.5mm | 7.4 | 57 |
| April | 18.7° | 5° | 85.5mm | 7.6 | 81 |
| May | 23.2° | 10.4° | 108.4mm | 9 | 82 |
| June | 27.8° | 15.3° | 117.2mm | 8.7 | 79 |
| July | 30.7° | 18° | 100.2mm | 8 | 69 |
| August | 29.6° | 17.1° | 93.2mm | 8 | 74 |
| September | 25.9° | 13° | 121.5mm | 6.7 | 87 |
| October | 19.6° | 6.5° | 83mm | 6.8 | 85 |
| November | 13.1° | 0.8° | 73mm | 6 | 64 |
| December | 7.6° | -2.8° | 78mm | 6.3 | 41 |
January in Leesburg averages a daily high of 5.7°C with nights around -4.7°C. Expect roughly 7.1 wet days totalling 74.2mm. A hard month to visit for comfort alone.
February in Leesburg averages a daily high of 7.5°C with nights around -3.7°C. Expect roughly 5.9 wet days totalling 58.1mm. Demanding conditions — pack for it and plan indoor options.
March in Leesburg averages a daily high of 12.4°C with nights around -0.3°C. Expect roughly 7.4 wet days totalling 72.5mm. Generally workable, with some weather to plan around.
April in Leesburg averages a daily high of 18.7°C with nights around 5°C. Expect roughly 7.6 wet days totalling 85.5mm. Comfortable conditions for being outdoors all day.
May in Leesburg averages a daily high of 23.2°C with nights around 10.4°C. Expect roughly 9 wet days totalling 108.4mm. Comfortable conditions for being outdoors all day.
June in Leesburg averages a daily high of 27.8°C with nights around 15.3°C. Expect roughly 8.7 wet days totalling 117.2mm. Comfortable conditions for being outdoors all day.
July in Leesburg averages a daily high of 30.7°C with nights around 18°C. Expect roughly 8 wet days totalling 100.2mm. Generally workable, with some weather to plan around.
August in Leesburg averages a daily high of 29.6°C with nights around 17.1°C. Expect roughly 8 wet days totalling 93.2mm. Generally workable, with some weather to plan around.
September in Leesburg averages a daily high of 25.9°C with nights around 13°C. Expect roughly 6.7 wet days totalling 121.5mm. Comfortable conditions for being outdoors all day.
October in Leesburg averages a daily high of 19.6°C with nights around 6.5°C. Expect roughly 6.8 wet days totalling 83mm. Comfortable conditions for being outdoors all day.
November in Leesburg averages a daily high of 13.1°C with nights around 0.8°C. Expect roughly 6 wet days totalling 73mm. Generally workable, with some weather to plan around.
December in Leesburg averages a daily high of 7.6°C with nights around -2.8°C. Expect roughly 6.3 wet days totalling 78mm. Demanding conditions — pack for it and plan indoor options.
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. Leesburg peaks at 87.
Based on 30 years of records, April–June scores highest for comfort in Leesburg, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 30.7°C.
September is the wettest, averaging 121.5mm of rain across roughly 6.7 wet days.
January is the coolest month, with average daily highs around 5.7°C.