Dalkey Weather in January

During January, Dalkey experiences low daytime temperatures of 9°C (48°F) and cooler nights around 4°C (39°F). As part of the winter season, expect quite a bit of rainfall. Around 81 mm (3.2 in) is typical.

Rainfall in Dalkey in January

You can expect rain on roughly 18 days based on historical data, averaging 81 mm (3.2 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Dalkey in January

Expect highs of 9°C (48°F) in Dalkey in January, with nights dropping to around 4°C (39°F). This month falls in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, January has the most moderate temperatures of the year.

Sunshine in Dalkey in January

This month sees fewer sunny days, with about 56 hours of sunshine, perfect for those who enjoy cooler temperatures.

Wind Speed in Dalkey in January

Average wind conditions reach 6 m/s (12 knots) in January. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in January

The water temperature is only 10°C (50°F) this month, cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

January in Dalkey has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.