| Month | Average (°C) | Record (°C) | Average (cm) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 11.0 | 2.0 | 23.4 | -19.8 | 8.2 |
| February | 12.7 | 1.8 | 26.7 | -16.8 | 6.2 |
| March | 16.4 | 4.2 | 30.1 | -11.5 | 6.9 |
| April | 18.7 | 6.6 | 32.1 | -5.4 | 8.8 |
| May | 22.3 | 10.3 | 35.3 | -2.5 | 7.9 |
| June | 25.5 | 13.7 | 41.0 | 1.8 | 7.3 |
| July | 27.8 | 15.5 | 41.2 | 2.0 | 5.5 |
| August | 28.3 | 15.4 | 42.5 | 4.1 | 6.0 |
| September | 25.0 | 11.9 | 39.2 | -0.5 | 7.3 |
| October | 20.4 | 9.2 | 33.6 | -6.2 | 8.5 |
| November | 14.4 | 5.0 | 26.7 | -10.4 | 10.5 |
| December | 11.5 | 2.5 | 23.9 | -14.5 | 8.8 |
| Entire year | 19.6 | 8.2 | 42.5 | -19.8 | 91.8 |
|
More Mont-de-Marsan Weather Records
1945–2024
|
||
|---|---|---|
| Highest daily low | 23.8 °C | August 14, 2003 |
| Lowest daily high | -6.2 °C | January 18, 1987 |
| Greatest daily range (Difference of high and low) |
29.7 °C | September 24, 1962 |
| Greatest difference in daily high over two conscutive days |
16.6 °C | May 21–22, 2016 |
| Most daily precipitation | 6.9 cm | October 6, 1959 |
| Most monthly precipitation | 36.6 cm | November 2019 |
| Most yearly precipitation | 128.0 cm | 2020 |
| Most yearly days with precipitation | 220 | 2002 |
| Earliest freeze | September 20 | 1962 |
| Earliest day ≥ 25 °C | February 15 | 1998 |
| Earliest day ≥ 30 °C | March 29 | 2023 |
| Earliest day ≥ 35 °C | May 12 | 1945 |
| Earliest day ≥ 40 °C | June 18 | 2022 |
| Latest freeze | May 16 | 1955 |
| Latest day ≥ 25 °C | November 8 | 1985 |
| Latest day ≥ 30 °C | October 18 | 2022 |
| Latest day ≥ 35 °C | September 17 | 1945 |
| Latest day ≥ 40 °C | August 26 | 2010 |
| Most days in a year < 0 °C | 81 | 1953 |
| Most days in a year ≥ 20 °C | 202 | 2011 |
| Most days in a year ≥ 25 °C | 120 | 1949 |
| Most days in a year ≥ 30 °C | 64 | 2022 |
| Most days in a year ≥ 35 °C | 24 | 2022 |
| Most days in a year ≥ 40 °C | 6 | 2003 |
|
Mont-de-Marsan Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 42 days | Jan 11 – Feb 21, 1978 |
| Without precipitation | 82 days | Jan 1 – Mar 23, 1945 |
| Freezing temperatures High temperature ≤ 0 °C |
5 days | Jan 17–21, 1987 |
| High temperature ≥ 20 °C | 132 days | May 26 – Oct 4, 2003 |
| High temperature ≥ 25 °C | 67 days | Jul 17 – Sep 21, 2022 |
| High temperature ≥ 30 °C | 19 days | Jul 29 – Aug 16, 2003 |
| High temperature ≥ 35 °C | 12 days | Aug 2–13, 2003 |
| Years | Station | Coordinates |
|---|---|---|
| 1945–2024 | Mont-de-Marsan | location |