Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Forth features a oceanic climate (Cfb). Temperatures typically range between 4 °C (39 °F) and 15 °C (59 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1127 mm (44.4 inches) and receives 182 rainy days on the 1 mm (0.04 inches) threshold annually. Forth enjoys an average of 2651 hours of sunshine throughout the year, and daylight varies from 7 hours 4 minutes to 17 hours 27 minutes per day.
The warmest months in Forth are June, July and August, with daily mean temperatures ranging from 13 to 15 °C (56 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 4 °C (39 - 40 °F) throughout the day. On average each year, Forth experiences 1 days above 25 °C (77.0 °F) and 45 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (55°F) |
15°C (59°F) |
17°C (63°F) |
22°C (71°F) |
25°C (78°F) |
28°C (83°F) |
29°C (84°F) |
27°C (80°F) |
27°C (80°F) |
20°C (68°F) |
14°C (57°F) |
12°C (54°F) |
Mean maximum | 11°C (52°F) |
11°C (53°F) |
14°C (57°F) |
18°C (64°F) |
22°C (72°F) |
23°C (73°F) |
24°C (76°F) |
24°C (75°F) |
21°C (71°F) |
16°C (62°F) |
13°C (55°F) |
12°C (53°F) |
Average high | 6°C (43°F) |
7°C (44°F) |
8°C (47°F) |
11°C (52°F) |
14°C (58°F) |
17°C (63°F) |
18°C (65°F) |
17°C (64°F) |
15°C (60°F) |
12°C (54°F) |
9°C (48°F) |
6°C (44°F) |
Daily mean | 4°C (39°F) |
4°C (40°F) |
5°C (42°F) |
7°C (45°F) |
10°C (51°F) |
13°C (56°F) |
15°C (59°F) |
14°C (58°F) |
12°C (54°F) |
9°C (49°F) |
6°C (43°F) |
4°C (40°F) |
Average low | 2°C (35°F) |
2°C (36°F) |
2°C (36°F) |
3°C (38°F) |
6°C (43°F) |
10°C (49°F) |
11°C (52°F) |
11°C (52°F) |
9°C (48°F) |
6°C (44°F) |
4°C (39°F) |
2°C (36°F) |
Mean minimum | -5°C (24°F) |
-4°C (25°F) |
-3°C (27°F) |
-2°C (28°F) |
0°C (33°F) |
5°C (41°F) |
7°C (44°F) |
7°C (44°F) |
3°C (37°F) |
-1°C (31°F) |
-2°C (28°F) |
-4°C (25°F) |
Minimum | -8°C (18°F) |
-6°C (21°F) |
-6°C (22°F) |
-4°C (25°F) |
-1°C (30°F) |
3°C (38°F) |
5°C (41°F) |
6°C (43°F) |
1°C (34°F) |
-3°C (27°F) |
-4°C (24°F) |
-7°C (20°F) |
Compare temperature, precipitation, sunshine, UV index in Forth, Scotland, United Kingdom with other places around the world.
Forth usually has the most precipitation in February, August and October, with an average of 17 rainy days and 121 mm (4.7 inches) of precipitation per month. The driest months in Forth are January, April and May. On average, 63 mm (2.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 76 (3.0) | 119 (4.7) | 102 (4.0) | 43 (1.7) | 71 (2.8) | 106 (4.2) | 92 (3.6) | 125 (4.9) | 87 (3.4) | 118 (4.6) | 86 (3.4) | 102 (4.0) |
Average precipitation days (≥ 1 mm) | 11 | 16 | 16 | 10 | 15 | 15 | 15 | 17 | 15 | 19 | 16 | 17 |
The sunniest months in Forth are May, June and July, when the sun shines an average of 11 hours 38 minutes a day. Least sunny months in Forth: January, November and December receive an average of 2 hours 28 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 62 | 117 | 169 | 302 | 367 | 341 | 361 | 319 | 257 | 184 | 100 | 64 |
Mean daily daylight hours | 7h 42m | 9h 36m | 11h 53m | 14h 14m | 16h 19m | 17h 27m | 16h 50m | 14h 56m | 12h 40m | 10h 21m | 8h 14m | 7h 4m |
Forth experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 8, which corresponds to the High / Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Forth UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 1 | 1 |
Discover in-depth weather details for every month in Forth. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Forth's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.