Lappeenranta Climate by Month
Lappeenranta, South Karelia, Finland
Mild summers and freezing winters, with rain spread through the year.
Lappeenranta has mild summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 73°F (23°C); January is the coolest at 25°F (-4°C), and nights dip to 14°F (-10°C). It gets 25 in (645 mm) of rain a year, spread across the months. The air is humid, averaging 78% relative humidity.
- Warmest month
- 73°F(23°C)
- Average high, July
- Coldest nights
- 14°F(-10°C)
- Average low, February
- Rain per year
- 25 in(645 mm)
- No clear rainy season
- Humidity
- 78%
- Sunniest: June
Best and worst months in Lappeenranta
Best for weatherJuly is the best time for weather in Lappeenranta: highs near 73°F (23°C) and about 2.6 in (66 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 25°F (-4°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Lappeenranta weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 25°F(-4°C) | 15°F(-9°C) | 1.9 in(48 mm) | 81% | 0.3 |
| FebFebruary | 26°F(-3°C) | 14°F(-10°C) | 1.6 in(40 mm) | 80% | 0.8 |
| MarMarch | 34°F(1°C) | 21°F(-6°C) | 1.6 in(40 mm) | 79% | 2.2 |
| AprApril | 46°F(8°C) | 31°F(-1°C) | 1.3 in(32 mm) | 63% | 3.6 |
| MayMay | 60°F(16°C) | 41°F(5°C) | 1.5 in(37 mm) | 63% | 5.0 |
| JunJune | 68°F(20°C) | 51°F(10°C) | 2.4 in(62 mm) | 64% | 5.5 |
| JulJulyBest | 73°F(23°C) | 56°F(13°C) | 2.6 in(66 mm) | 73% | 5.3 |
| AugAugust | 69°F(20°C) | 53°F(12°C) | 2.8 in(71 mm) | 71% | 4.2 |
| SepSeptember | 58°F(15°C) | 45°F(7°C) | 2.2 in(55 mm) | 85% | 2.4 |
| OctOctober | 45°F(7°C) | 36°F(2°C) | 2.8 in(72 mm) | 93% | 0.9 |
| NovNovember | 36°F(2°C) | 28°F(-2°C) | 2.4 in(62 mm) | 99% | 0.3 |
| DecDecember | 30°F(-1°C) | 21°F(-6°C) | 2.4 in(60 mm) | 85% | 0.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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