Weather by month in Dublin County

Dublin County is a region in Ireland. Many people wonder what the weather conditions are in Dublin County over the year. What is the best time to visit Dublin County?

This page shows the average weather conditions by month in Dublin County over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Dublin County is generally poor. January is a winter month. In Dublin you can expect cold maximum average daytime temperatures around 9°C and nighttime temperatures around 4°C. On average, this month is the coldest month of the year in Dublin County.

Find more detailed climate information for Dublin County in January here.

In February the weather in Dublin County is generally poor. February is a winter month. In Dublin you can expect cold maximum average daytime temperatures around 10°C and nighttime temperatures around 4°C.

Find more detailed climate information for Dublin County in February here.

In March the weather in Dublin County ranges from poor in Dun Laoghaire to unpleasant in Dublin. In Dublin you can expect cold maximum average daytime temperatures around 11°C and nighttime temperatures around 5°C.

Find more detailed climate information for Dublin County in March here.

In April the weather in Dublin County is generally unpleasant. In Dublin you can expect moderate maximum average daytime temperatures around 13°C and nighttime temperatures around 6°C.

Find more detailed climate information for Dublin County in April here.

In May the weather in Dublin County is generally tolerable. In Dublin you can expect moderate maximum average daytime temperatures around 16°C and nighttime temperatures around 8°C.

Find more detailed climate information for Dublin County in May here.

In June the weather in Dublin County ranges from tolerable in Dun Laoghaire to pleasant in Dublin. June is a summer month. In Dublin you can expect pleasant maximum average daytime temperatures around 18°C and nighttime temperatures around 11°C.

Find more detailed climate information for Dublin County in June here.

In July the weather in Dublin County ranges from pleasant in Dun Laoghaire to perfect in Dublin. July is a summer month. In Dublin you can expect pleasant maximum average daytime temperatures around 20°C and nighttime temperatures around 13°C. On average, this month is the warmest month of the year in Dublin County.

Find more detailed climate information for Dublin County in July here.

In August the weather in Dublin County ranges from pleasant in Dun Laoghaire to perfect in Dublin. August is a summer month. In Dublin you can expect pleasant maximum average daytime temperatures around 20°C and nighttime temperatures around 13°C.

Find more detailed climate information for Dublin County in August here.

In September the weather in Dublin County ranges from tolerable in Dun Laoghaire to pleasant in Dublin. In Dublin you can expect moderate maximum average daytime temperatures around 18°C and nighttime temperatures around 11°C.

Find more detailed climate information for Dublin County in September here.

In October the weather in Dublin County is generally tolerable. In Dublin you can expect moderate maximum average daytime temperatures around 15°C and nighttime temperatures around 9°C.

Find more detailed climate information for Dublin County in October here.

In November the weather in Dublin County ranges from poor in Dun Laoghaire to unpleasant in Dublin. In Dublin you can expect cold maximum average daytime temperatures around 12°C and nighttime temperatures around 6°C.

Find more detailed climate information for Dublin County in November here.

In December the weather in Dublin County is generally poor. December is a winter month. In Dublin you can expect cold maximum average daytime temperatures around 10°C and nighttime temperatures around 4°C.

Find more detailed climate information for Dublin County in December here.