Rathgar Weather in January

January in Rathgar averages 9°C (48°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 73 mm (2.9 in) on average. An umbrella is a good idea.

Rainfall in Rathgar in January

Climate statistics over the past 30 years suggest around 18 days of rain, with 73 mm (2.9 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Rathgar in January

Temperatures in Rathgar in January top out at 9°C (48°F) and drop to 3°C (37°F) overnight. January is part of the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. January often features the most temperate temperatures compared to other months.

Sunshine in Rathgar in January

The month has fewer sunny days, with around 56 hours of sunshine.

Wind Speed in Rathgar in January

January sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in January

At 10°C (50°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

January in Rathgar can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.