Lanzarote weather, month by month

In January, when Dublin gets to about 8°C, Lanzarote reaches 21°C. Warm, dry days, 24°C and over with little rain, come from May to November. The sea is warm enough for a comfortable swim from July to November.

Lanzarote Dublin. Average daytime high.

Every month

Month	Daytime high	Night-time low	Sea	Rain a month	Dublin, for comparison
January	21°C	14°C	19°C	16mm	8°C
February	21°C	14°C	18°C	18mm	9°C
March	23°C	15°C	18°C	12mm	10°C
April	24°C	16°C	18°C	5mm	12°C
May	25°C	17°C	19°C	2mm	15°C
June	26°C	19°C	20°C	0mm	18°C
July	28°C	20°C	21°C	0mm	20°C
August	29°C	21°C	22°C	0mm	19°C
September	29°C	21°C	23°C	2mm	17°C
October	27°C	19°C	23°C	10mm	14°C
November	24°C	17°C	21°C	15mm	10°C
December	22°C	15°C	20°C	29mm	8°C

Hotels in Lanzarote

Measured at Lanzarote Aeropuerto, averaged over 1991 to 2020. Somewhere inland or up a mountain will differ.

Questions

What is the warmest month in Lanzarote?

August, with daytime highs around 29°C and nights around 21°C. The sea is warmest in September, at about 23°C.

Is Lanzarote warm in winter?

In January, the coolest month, daytime highs are around 21°C and nights drop to about 14°C. That is 13 degrees warmer than Dublin in the same month.

When is the sea warm enough to swim in Lanzarote?

The sea is 21°C or warmer from July to November. It is at its coolest in February, around 18°C.

When does it rain most in Lanzarote?

December, with about 29mm on average. Dublin gets about 72mm in December.

Averages for 1991 to 2020. Temperature and rainfall from Met Éireann, AEMET and IPMA. Sea temperature generated using Copernicus Climate Change Service information 2026, adapted, CC BY 4.0.

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