The best time to visit Londonderry County Borough
Month-by-month climate averages for Londonderry County Borough, Northern Ireland, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Londonderry County Borough is usually June, July, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest January rain is behind you.
Londonderry County Borough is warmest in June (highs near 17°C) and coldest in February (lows around 2°C), with roughly 1130 mm of precipitation across the year and January the wettest month. The sweet spot for most visitors is June, July, August and September.
These are long-run averages. For the actual days you are travelling, check the live Londonderry County Borough forecast - and note how much the models agree, because that tells you how much to trust it.
Londonderry County Borough weather by month
what to expect in Londonderry County Borough through the year, 1991-2020 averagesHere is Londonderry County Borough's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Londonderry County Borough by season.