Weather overview
The weather in Калуга follows a clear seasonal rhythm, with cold winters and warm summers. From December to February, temperatures stay below freezing, often dropping to -8.5 °C or lower. Snow is common, creating a classic winter landscape. Spring arrives gradually, with March still chilly and April bringing milder days around +7.2 °C.
Summer in Калуга is comfortable, with June through August offering the warmest conditions. Daytime highs reach +23–25.7 °C, while nights remain cool. Autumn sets in by September, with temperatures dropping steadily. By November, Калуга returns to near-freezing conditions, marking the start of another winter cycle.
Temperature
Winter in Калуга is cold, with average temperatures ranging from -5.9 °C in January to -3.7 °C in December. Nighttime lows can fall below -8 °C, so warm layers are essential. Spring warms up slowly, with April averaging +7.2 °C and May reaching +12.6 °C.
Summer brings the most pleasant temperatures, peaking in July at +19 °C on average, with highs up to +25.7 °C. Evenings are mild, rarely dropping below +14 °C. By September, temperatures begin to decline, and by October, Калуга cools to +6.2 °C, signaling the approach of winter.
| Month | Minimum | Maximum |
|---|---|---|
| January | -8.5 | -3.3 |
| February | -9.2 | -2.7 |
| March | -5.7 | 4.7 |
| April | 2.8 | 13 |
| May | 5.8 | 17.4 |
| June | 11.3 | 23 |
| July | 14 | 25.7 |
| August | 13.2 | 24.4 |
| September | 7.1 | 17.4 |
| October | 2.5 | 9.9 |
| November | -1.4 | 3.2 |
| December | -6.9 | -2.7 |
Precipitation
Precipitation in Калуга is spread throughout the year, with no extreme dry or wet seasons. The wettest months are June and July, with around 86 mm of rain each. Summer showers are common, but they rarely disrupt travel plans for long.
Winter months see less precipitation, though snowfall is frequent. January and February average 52.6 mm and 37.1 mm respectively, mostly as snow. Autumn and spring are moderate, with October and May each receiving around 60–70 mm of rain.
| Month | Precipitation |
|---|---|
| January | 52.6 |
| February | 37.1 |
| March | 40 |
| April | 40.8 |
| May | 68.5 |
| June | 86.4 |
| July | 86.7 |
| August | 58.9 |
| September | 47.4 |
| October | 61.4 |
| November | 57.2 |
| December | 59.1 |
What to pack
For a winter trip to Калуга, pack warm clothing: a heavy coat, gloves, and waterproof boots are necessary to handle temperatures below -5 °C. Layering is key, as indoor heating can be strong. In spring, lighter layers work, but a jacket is still needed for chilly mornings.
Summer visitors can dress lightly, but evenings may require a light sweater. A compact umbrella is useful for occasional rain. Autumn travelers should bring layers, as temperatures shift from +12 °C in September to near freezing by November. Waterproof shoes are a good idea for slushy or wet conditions.
| Month | Wind speed |
|---|---|
| January | 4.8 |
| February | 4.6 |
| March | 4.1 |
| April | 4.1 |
| May | 3.6 |
| June | 3.3 |
| July | 3.1 |
| August | 3.1 |
| September | 3.6 |
| October | 4.2 |
| November | 4.3 |
| December | 4.4 |