| Month | Average (°C) | Record (°C) | Average (cm) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 1.1 | -6.5 | 14.0 | -21.7 | 12.2 | 62.6 |
| February | 1.3 | -6.3 | 15.0 | -24.4 | 10.6 | 49.1 |
| March | 3.9 | -3.5 | 18.9 | -18.3 | 11.5 | 32.3 |
| April | 8.8 | 1.1 | 22.8 | -10.8 | 10.3 | 9.3 |
| May | 14.0 | 5.7 | 24.9 | -3.9 | 10.0 | 0.2 |
| June | 18.2 | 9.8 | 28.3 | -1.1 | 8.9 | 0.0 |
| July | 21.5 | 13.2 | 30.0 | 5.0 | 7.8 | 0.0 |
| August | 21.7 | 13.3 | 30.3 | 3.9 | 8.2 | 0.0 |
| September | 18.8 | 10.4 | 29.4 | -2.3 | 10.1 | 0.0 |
| October | 13.8 | 6.1 | 25.0 | -4.4 | 11.6 | 0.3 |
| November | 9.0 | 1.9 | 19.3 | -12.2 | 14.5 | 8.7 |
| December | 4.3 | -2.9 | 16.5 | -22.2 | 14.7 | 42.4 |
| Entire year | 11.4 | 3.6 | 30.3 | -24.4 | 129.3 | 200.2 |
|
More Yarmouth Weather Records
1870–2024
|
||
|---|---|---|
| Highest daily low | 21.4 °C | August 21, 2015 |
| Lowest daily high | -16.7 °C | December 29, 1933 |
| Greatest daily range (Difference of high and low) |
27.8 °C | January 31, 1951 |
| Greatest difference in daily high over two conscutive days |
21.1 °C | Dec 3–4, 1890 |
| Most daily precipitation | 17.3 cm | October 1, 1959 |
| Most monthly precipitation | 38.2 cm | October 1959 |
| Most yearly precipitation | 180.2 cm | 1888 |
| Most yearly days with precipitation | 219 | 1890 |
| Earliest snow in season | October 4 | 1989 |
| Latest snow in season | May 28 | 1974 |
| Most daily snow | 71.2 cm | February 19, 2004 |
| Most monthly snow | 178.4 cm | December 1933 |
| Most yearly snow | 388.9 cm | 1926 |
| Most snow in a winter | 443.6 cm | 1933–1934 |
| Greatest snow accumulation | 83.0 cm | January 18, 1981 |
| Earliest freeze | September 23 | 1904 |
| Earliest day ≥ 20 °C | April 18 | 2008 |
| Earliest day ≥ 25 °C | June 5 | 1930 |
| Latest freeze | June 7 | 1905 |
| Latest day ≥ 20 °C | October 30 | 1935 |
| Latest day ≥ 25 °C | October 9 | 1970 |
| Most days in a year < 0 °C | 150 | 1904 |
| Most days in a year ≥ 20 °C | 89 | 1999 |
| Most days in a year ≥ 25 °C | 18 | 2018 |
| Most days in a year ≥ 30 °C | 1 | 1993 |
|
Yarmouth Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 23 days | Jan 5–27, 1890 |
| Without precipitation | 25 days | Aug 6–30, 1939 |
| With snow | 15 days | Feb 18 – Mar 4, 2006 |
| Freezing temperatures High temperature ≤ 0 °C |
23 days | Jan 24 – Feb 15, 1980 |
| High temperature ≥ 20 °C | 63 days | Jul 8 – Sep 8, 2018 |
| High temperature ≥ 25 °C | 8 days | Jul 10–17, 1911 |