| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -2.3° | -7.3° | 40mm | 18.7 | 1 |
| February | -2° | -7.8° | 34mm | 14.7 | 1 |
| March | 2.3° | -4.9° | 34.5mm | 12.8 | 9 |
| April | 9.4° | 0.5° | 33.5mm | 11.5 | 41 |
| May | 15.7° | 5.3° | 45.3mm | 10.3 | 66 |
| June | 20.3° | 10.6° | 78.3mm | 12.6 | 75 |
| July | 22.9° | 13.6° | 76mm | 12.8 | 74 |
| August | 21.5° | 12.3° | 83.3mm | 13.7 | 73 |
| September | 16.1° | 8.2° | 63.3mm | 13.3 | 61 |
| October | 9.3° | 3.7° | 72.2mm | 17.2 | 36 |
| November | 3.4° | -0.6° | 57.9mm | 17.4 | 13 |
| December | -0.4° | -4.7° | 47.6mm | 18.6 | 5 |
January in Narva averages a daily high of -2.3°C with nights around -7.3°C. Expect roughly 18.7 wet days totalling 40mm. A hard month to visit for comfort alone.
February in Narva averages a daily high of -2°C with nights around -7.8°C. Expect roughly 14.7 wet days totalling 34mm. A hard month to visit for comfort alone.
March in Narva averages a daily high of 2.3°C with nights around -4.9°C. Expect roughly 12.8 wet days totalling 34.5mm. A hard month to visit for comfort alone.
April in Narva averages a daily high of 9.4°C with nights around 0.5°C. Expect roughly 11.5 wet days totalling 33.5mm. Demanding conditions — pack for it and plan indoor options.
May in Narva averages a daily high of 15.7°C with nights around 5.3°C. Expect roughly 10.3 wet days totalling 45.3mm. Generally workable, with some weather to plan around.
June in Narva averages a daily high of 20.3°C with nights around 10.6°C. Expect roughly 12.6 wet days totalling 78.3mm. Comfortable conditions for being outdoors all day.
July in Narva averages a daily high of 22.9°C with nights around 13.6°C. Expect roughly 12.8 wet days totalling 76mm. Generally workable, with some weather to plan around.
August in Narva averages a daily high of 21.5°C with nights around 12.3°C. Expect roughly 13.7 wet days totalling 83.3mm. Generally workable, with some weather to plan around.
September in Narva averages a daily high of 16.1°C with nights around 8.2°C. Expect roughly 13.3 wet days totalling 63.3mm. Generally workable, with some weather to plan around.
October in Narva averages a daily high of 9.3°C with nights around 3.7°C. Expect roughly 17.2 wet days totalling 72.2mm. Demanding conditions — pack for it and plan indoor options.
November in Narva averages a daily high of 3.4°C with nights around -0.6°C. Expect roughly 17.4 wet days totalling 57.9mm. A hard month to visit for comfort alone.
December in Narva averages a daily high of -0.4°C with nights around -4.7°C. Expect roughly 18.6 wet days totalling 47.6mm. 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. Narva peaks at 75.
Based on 30 years of records, June–August scores highest for comfort in Narva, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 22.9°C.
August is the wettest, averaging 83.3mm of rain across roughly 13.7 wet days.
January is the coolest month, with average daily highs around -2.3°C.