Nāgercoil weather in May

In May, Nāgercoil has daytime highs averaging 31 °C, nights around 26 °C, with 14 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 27°
  3. Mar 28°
  4. Apr 28°
  5. May 28°
  6. Jun 27°
  7. Jul 26°
  8. Aug 26°
  9. Sep 26°
  10. Oct 26°
  11. Nov 26°
  12. Dec 26°

Daily temperatures through May

23° 29° 35° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 32.1 °C and lows bottom out at 25.2 °C.

How May develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 May 31.5 °C 25.8 °C 50 %
11–20 May 31.2 °C 25.8 °C 38 %
21–31 May 30.5 °C 25.5 °C 45 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 5, at 63 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 23 of 31 73 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 14 of 31 44 %

Conditions in May

MeasureAverage
Mean temperature 28 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 23 °C
Relative humidity 79 %
Wind speed 21 km/h
Cloud cover 69 %

May compared with the months around it

Month Avg high Rainfall Cloud
March 33.2 °C 43 mm 39 %
April 32.2 °C 82 mm 55 %
May 31.1 °C 88 mm 69 %
June 29.1 °C 90 mm 84 %
July 29.0 °C 58 mm 86 %

See all twelve months for Nāgercoil

QuestionsMay in Nāgercoil, answered

How warm is Nāgercoil in May?

Daily highs average 31 °C and nights fall to about 26 °C, a spread of 5.4 °C between afternoon and dawn. That makes May the 3rd warmest month of the year here.

Does it rain much in Nāgercoil in May?

May averages 88 mm of rain, spread over about 14 of the 31 days — 44 % of the month. Cloud cover averages 69 % of the sky.

Is the sea warm enough to swim in May?

The sea averages 29 °C off Nāgercoil in May. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in May?

Nāgercoil averages 13 hours between sunrise and sunset in May. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.