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Reference location Ramanathapuram 9°22'0"N · 78°52'0"E

Cloud · Annual

Cloud cover data for Ramanathapuram, Tamil Nadu

Monthly table Season context Hourly classes
The average Cloud Cover of Ramanathapuram is around 7/10th although it vary from around 3/10th during Winter (February) to 9/10th during the Monsoon (August). The most cloudy month of the seasonal cycle is August with cloud cover varies from 2/10th to 10/10th. The most clear sky month is of the seasonal cycle is February, with cloud cover varies from 0/10th to 10/10th.

10.0/10th

Maximum

0.0/10th

Minimum

6.9/10th

Average

4

Sky classes

Monthly statistics

MonthCloud Cover, /10th
MinimumMaximumAverageStandard
Deviation
January 0.0 10.0 4.9 ± 3.7
February 0.0 9.9 2.9 ± 2.7
March 0.0 10.0 5.4 ± 3.5
April 0.0 10.0 5.0 ± 3.3
May 0.6 10.0 7.8 ± 2.9
June 2.2 10.0 8.8 ± 1.8
July 1.5 10.0 8.9 ± 2.0
August 1.5 10.0 9.1 ± 1.7
September 0.0 10.0 7.3 ± 3.2
October 0.5 10.0 8.1 ± 2.2
November 0.0 10.0 6.9 ± 3.0
December 0.0 10.0 7.2 ± 2.9

Hourly class share

By month

Cloud cover mix across months

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Reference-location data sheet

What this page represents

Read methodology
Reference location
Ramanathapuram · 2PH8XFXGYG
Coordinate
9.3667°, 78.8667°
Published edition
2019 test / base-year archive
Available records
2,190 hourly rows · 01 Jan 2018 to 31 Dec 2018
Source
ECMWF ERA5-Land hourly reanalysis · 0.1° × 0.1° regular latitude–longitude grid
Location processing
CDO bilinear interpolation to each listed reference coordinate

Use with professional judgement. These are model-derived, interpolated reference estimates—not measurements at a monitoring station. Local terrain, coastlines, land cover and site conditions can make project-site conditions differ.

Report-ready attribution

Cite this reference

IndianClimate.com. 2019 ERA5-Land baseline meteorological reference for Ramanathapuram. Derived from ECMWF ERA5-Land hourly reanalysis using CDO bilinear interpolation. https://doi.org/10.24381/cds.e2161bac. Accessed 2026-11-15.

ERA5-Land DOI