Water temperature in Nyon in May

Is it warm enough to swim in Nyon in May? Average water temperature in Nyon in May is 13.9°C and therefore is not suitable for comfortable swimming. The warmest water in Nyon in May is 19.2°C, and the coldest is 10.6°C. Average high air temperature in Nyon in May is 19°C, and average low temperature is 9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Nyon

Changes water temperature in Nyon in May 2025, 2024

To get an accurate forecast for the water temperature in Nyon for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Nyon, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

Sea temperature

Tides

Sunrise and Sunset

You can choose any other years:

Day	2025	2024	Min	Max
1 May	15.2°C	12.4°C	10.6°C	15.2°C
2 May	15°C	12.4°C	11.2°C	15°C
3 May	14.8°C	12.4°C	11.3°C	14.8°C
4 May	14.7°C	12.5°C	11.4°C	14.7°C
5 May	14.6°C	12.6°C	11.6°C	14.6°C
6 May	14.6°C	12.7°C	11.5°C	14.6°C
7 May	14.5°C	12.8°C	11.7°C	14.5°C
8 May	14.5°C	12.8°C	11.9°C	15.4°C
9 May	13.8°C	12.9°C	12.4°C	15.2°C
10 May	14.3°C	13°C	12.6°C	15.1°C
11 May	14.3°C	14.2°C	12.6°C	15°C
12 May	14.2°C	13.5°C	12.7°C	14.9°C
13 May	14.3°C	13.9°C	12.5°C	14.9°C
14 May	15.7°C	13.9°C	12.6°C	15.8°C
15 May	15.6°C	14°C	12.7°C	16.2°C

Day	2025	2024	Min	Max
16 May	15.9°C	13.6°C	12.7°C	16.8°C
17 May	15.6°C	13.5°C	12.8°C	17.7°C
18 May	15.8°C	13.5°C	12.9°C	18.8°C
19 May	15.7°C	13.9°C	13°C	18.4°C
20 May	15.6°C	14°C	13.2°C	19.2°C
21 May	15.6°C	14.1°C	13.3°C	18.9°C
22 May	15.4°C	14.3°C	13.4°C	18.6°C
23 May	15.3°C	14.5°C	13.3°C	18.4°C
24 May	15.3°C	14.4°C	13°C	18.2°C
25 May	15.2°C	15.1°C	12.6°C	18.2°C
26 May	15.2°C	15.3°C	12.5°C	17.8°C
27 May	16.7°C	15.3°C	12.6°C	18.1°C
28 May	16.5°C	15.2°C	12.5°C	17.9°C
29 May	16.7°C	15.2°C	12.5°C	17.7°C
30 May	17°C	15.1°C	12.4°C	17.1°C
31 May	16.9°C	15.2°C	12.5°C	17.4°C

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Average water temperature in Nyon in May over a decade

2016	2017	2018	2019	2020
13.2°C	13.8°C	13.4°C	13.9°C	15.2°C

2021	2022	2023	2024	2025
13.1°C	16°C	14°C	13.8°C	15.3°C

Weather and climate in Nyon in May

This data display average monthly climate indicators in Nyon in May based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature19°C
Average LOW temperature9°C
Average humidity
69
Average rainfall days12 days
Average rainfall3.4''/86mm
Average sunshine6.4h

Nyon water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Messery	13.9°C	10.6°C	19.2°C
Chens sur Leman	13.9°C	10.7°C	19.2°C
Rolle	13.8°C	10.6°C	18.8°C
Nernier	13.8°C	10.6°C	18.8°C
Yvoire	13.8°C	10.6°C	18.8°C
Versoix	14°C	10.9°C	18.9°C
Hermance	14°C	10.9°C	18.9°C
Coppet	14°C	10.9°C	18.9°C
Excenevex	13.8°C	10.5°C	18.7°C
Anthy-sur-Leman	13.8°C	10.5°C	18.7°C

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Our report for Nyon is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature