Glasgow weather in January
January is one of the least pleasant months in Glasgow: highs of 5°C (40°F) and about 137 mm (5.4 in) of rain on average. Nights average 1°C (34°F) and cloud cover 80% (NASA POWER, 2001–2025 averages). It is the 2nd wettest month of the year and the coolest. Compared with December, it is about as warm and about as wet; February brings highs of 5°C (41°F) and 102 mm (4.0 in) of rain.
Is January a good time to visit Glasgow?
least pleasant month Weather score 21/100.
January is one of the least pleasant months for weather in Glasgow. For better conditions, consider May–Sep.
Does it rain a lot in Glasgow in January?
Some rain is normal: about 137 mm (5.4 in) falls in an average January. It is the 2nd wettest month of the year.
How warm is Glasgow in January?
Days average 5°C (40°F) and nights 1°C (34°F).
Glasgow weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 5°C (40°F) | 1°C (34°F) | 137 mm | 80% | least pleasant |
| February | 5°C (41°F) | 1°C (33°F) | 102 mm | 76% | least pleasant |
| March | 7°C (44°F) | 2°C (35°F) | 94 mm | 75% | least pleasant |
| April | 10°C (50°F) | 3°C (38°F) | 76 mm | 71% | fair |
| May | 13°C (55°F) | 6°C (42°F) | 92 mm | 71% | best |
| June | 16°C (60°F) | 9°C (48°F) | 106 mm | 79% | best |
| July | 17°C (63°F) | 11°C (51°F) | 122 mm | 79% | best |
| August | 17°C (62°F) | 10°C (50°F) | 137 mm | 78% | best |
| September | 15°C (58°F) | 9°C (47°F) | 106 mm | 75% | best |
| October | 11°C (52°F) | 6°C (43°F) | 143 mm | 76% | fair |
| November | 8°C (46°F) | 4°C (38°F) | 134 mm | 76% | least pleasant |
| December | 5°C (41°F) | 2°C (35°F) | 131 mm | 78% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months