| Month | Average (°C) | Record (°C) | Average (cm) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | -3.5 | -9.2 | 7.5 | -37.3 | 5.3 |
| February | -3.4 | -9.8 | 8.7 | -34.9 | 4.5 |
| March | 1.4 | -6.4 | 15.6 | -29.3 | 4.2 |
| April | 8.5 | -0.8 | 24.9 | -17.5 | 3.1 |
| May | 16.1 | 4.7 | 30.5 | -6.4 | 4.2 |
| June | 20.4 | 10.0 | 32.3 | -0.8 | 6.7 |
| July | 23.1 | 12.9 | 34.5 | 3.0 | 7.1 |
| August | 21.0 | 11.5 | 33.0 | -0.1 | 7.1 |
| September | 15.0 | 7.0 | 28.7 | -5.4 | 6.3 |
| October | 7.6 | 1.9 | 18.7 | -14.9 | 7.4 |
| November | 2.1 | -2.2 | 12.8 | -22.5 | 6.8 |
| December | -1.2 | -6.1 | 9.4 | -35.0 | 6.6 |
| Entire year | 9.0 | 1.2 | 34.5 | -37.3 | 68.3 |
|
More Kouvola Weather Records
1959–2024
|
||
|---|---|---|
| Highest daily low | 21.8 °C | August 8, 2010 |
| Lowest daily high | -34.5 °C | January 9, 1987 |
| Greatest daily range (Difference of high and low) |
30.6 °C | December 10, 1973 |
| Greatest difference in daily high over two conscutive days |
25.1 °C | Dec 9–10, 1973 |
| Most daily precipitation | 6.5 cm | September 24, 1988 |
| Most monthly precipitation | 18.0 cm | August 1972 |
| Most yearly precipitation | 88.4 cm | 2004 |
| Most yearly days with precipitation | 235 | 2004 |
| Earliest freeze | August 27 | 1973 |
| Earliest day ≥ 20 °C | April 16 | 2007 |
| Earliest day ≥ 25 °C | May 6 | 2004 |
| Earliest day ≥ 30 °C | May 19 | 2014 |
| Latest freeze | June 18 | 1978 |
| Latest day ≥ 20 °C | September 30 | 2011 |
| Latest day ≥ 25 °C | September 6 | 1968 |
| Latest day ≥ 30 °C | August 19 | 2022 |
| Most days in a year < 0 °C | 196 | 1980 |
| Most days in a year ≥ 20 °C | 97 | 2002 |
| Most days in a year ≥ 25 °C | 50 | 2010 |
| Most days in a year ≥ 30 °C | 14 | 2010 |
|
Kouvola Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 67 days | Nov 25, 1993 – Jan 30, 1994 |
| Without precipitation | 28 days | May 17 – Jun 13, 1992 |
| Freezing temperatures High temperature ≤ 0 °C |
83 days | Dec 12, 1969 – Mar 4, 1970 |
| High temperature ≥ 20 °C | 51 days | Jul 5 – Aug 24, 1959 |
| High temperature ≥ 25 °C | 26 days | Jul 17 – Aug 11, 2014 |
| High temperature ≥ 30 °C | 6 days | Jul 10–15, 2021 |
| Years | Station | Coordinates |
|---|---|---|
| 1959–2024 | Kouvola Utti Lentoportintie | location |