| Month | Average (°C) | Record (°C) | Average (cm) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | -1.4 | -6.5 | 8.5 | -35.6 | 5.8 |
| February | -1.8 | -7.6 | 9.4 | -35.1 | 4.4 |
| March | 2.3 | -4.8 | 14.4 | -29.3 | 3.8 |
| April | 8.8 | 0.4 | 23.4 | -19.2 | 3.5 |
| May | 15.6 | 6.1 | 29.0 | -3.6 | 3.8 |
| June | 19.4 | 11.0 | 31.0 | 1.8 | 6.2 |
| July | 22.1 | 14.1 | 31.7 | 6.1 | 6.8 |
| August | 20.3 | 13.1 | 30.8 | 2.6 | 8.3 |
| September | 15.0 | 8.9 | 25.7 | -3.2 | 5.9 |
| October | 8.5 | 3.8 | 16.7 | -11.3 | 7.6 |
| November | 3.6 | -0.1 | 13.3 | -20.1 | 7.5 |
| December | 0.7 | -3.6 | 10.5 | -32.0 | 6.6 |
| Entire year | 9.5 | 3.0 | 31.7 | -35.6 | 70.1 |
|
More Lohja Weather Records
1959–2024
|
||
|---|---|---|
| Highest daily low | 21.8 °C | August 1, 2003 |
| Lowest daily high | -30.8 °C | January 9, 1987 |
| Greatest daily range (Difference of high and low) |
29.6 °C | December 10, 1973 |
| Greatest difference in daily high over two conscutive days |
26.5 °C | Dec 9–10, 1973 |
| Most daily precipitation | 6.1 cm | July 16, 1988 |
| Most monthly precipitation | 19.3 cm | October 2006 |
| Most yearly precipitation | 97.5 cm | 1981 |
| Most yearly days with precipitation | 238 | 1962 |
| Earliest freeze | September 17 | 1971 |
| Earliest day ≥ 20 °C | April 20 | 2000 |
| Earliest day ≥ 25 °C | May 6 | 2004 |
| Earliest day ≥ 30 °C | June 20 | 2021 |
| Latest freeze | May 30 | 1975 |
| Latest day ≥ 20 °C | September 23 | 2006 |
| Latest day ≥ 25 °C | September 6 | 1968 |
| Latest day ≥ 30 °C | August 11 | 1992 |
| Most days in a year < 0 °C | 171 | 1976 |
| Most days in a year ≥ 20 °C | 93 | 2002 |
| Most days in a year ≥ 25 °C | 37 | 2021 |
| Most days in a year ≥ 30 °C | 6 | 2021 |
|
Lohja Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 23 days | Jan 26 – Feb 17, 1969 |
| Without precipitation | 32 days | May 6 – Jun 6, 1960 |
| Freezing temperatures High temperature ≤ 0 °C |
82 days | Dec 13, 1969 – Mar 4, 1970 |
| High temperature ≥ 20 °C | 51 days | Jul 5 – Aug 24, 1959 |
| High temperature ≥ 25 °C | 20 days | Jun 29 – Jul 18, 2021 |
| High temperature ≥ 30 °C | 3 days | Jun 20–22, 2021 |
| Years | Station | Coordinates |
|---|---|---|
| 1959–2024 | Lohja Porla | location |