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Castries vs Wisconsin Dells

Af Tropical rainforestDfb Warm-summer humid continental

Comparing Castries change · Wisconsin Dells change

Bottom line

Castries is the warmer of the two — about 20°C on the annual average; Castries is the wetter, with 987 mm more rain a year, and Castries the sunnier.

Warmer Castries 20°C on the year
Wetter Castries 987 mm more a year
Sunnier Castries 14 pp less cloud
Colder winters Wisconsin Dells 39°C colder nights

How the seasons compare

The differences between Castries and Wisconsin Dells, in everyday terms.

Summers

Summers are nearly the same

Castries: Warm
Wisconsin Dells: Warm

Winters

Castries has far milder winters

Castries: Stays warm
Wisconsin Dells: Very cold

Rain & snow

Castries is wetter

Castries: Very wet
Wisconsin Dells: Moderate rainfall

Sky

Castries is sunnier

Castries: Fairly sunny
Wisconsin Dells: Partly cloudy

Month-by-month charts

Temperature

Castries is the warmer of the two — about 20°C on the annual average.

-20°20°40° JanAprJulOct CastriesWisconsin Dells

Precipitation

Castries is the wetter — about 987 mm more across the year.

PRECIPITATION (mm) 0150300 JanAprJulOct CastriesWisconsin Dells

Clear skies

Castries has the clearer skies — the higher line.

0%25%50%75%100% JanAprJulOct CastriesWisconsin Dells

Exact monthly numbers

Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.

Avg high (°C) Castries runs higher most of the year
JanFebMarAprMayJunJulAugSepOctNovDec
Castries272727282828282929292827
Wisconsin Dells-3071421262827231671
Difference-29-27-20-14-7-2-2-6-13-21-27
Jan – JunJanFebMarAprMayJun
Castries272727282828
Wisconsin Dells-307142126
Difference-29-27-20-14-7-2
Jul – DecJulAugSepOctNovDec
Castries282929292827
Wisconsin Dells2827231671
Difference-2-6-13-21-27
Avg low (°C) Castries runs higher most of the year
JanFebMarAprMayJunJulAugSepOctNovDec
Castries262525262727272828282726
Wisconsin Dells-14-12-60712151392-4-10
Difference-39-37-31-26-20-15-13-15-19-25-31-36
Jan – JunJanFebMarAprMayJun
Castries262525262727
Wisconsin Dells-14-12-60712
Difference-39-37-31-26-20-15
Jul – DecJulAugSepOctNovDec
Castries272828282726
Wisconsin Dells151392-4-10
Difference-13-15-19-25-31-36
Precipitation (mm) Castries runs higher most of the year
JanFebMarAprMayJunJulAugSepOctNovDec
Castries113766690114134216291224246243149
Wisconsin Dells33345610110914211911695745642
Difference-80-42-11+12-5+8-98-175-129-172-186-108
Jan – JunJanFebMarAprMayJun
Castries113766690114134
Wisconsin Dells333456101109142
Difference-80-42-11+12-5+8
Jul – DecJulAugSepOctNovDec
Castries216291224246243149
Wisconsin Dells11911695745642
Difference-98-175-129-172-186-108
Snowfall (cm)
JanFebMarAprMayJunJulAugSepOctNovDec
Castries
Wisconsin Dells2926156000001626
Difference
Jan – JunJanFebMarAprMayJun
Castries
Wisconsin Dells292615600
Difference
Jul – DecJulAugSepOctNovDec
Castries
Wisconsin Dells0001626
Difference
Cloud cover (%) Wisconsin Dells runs higher most of the year
JanFebMarAprMayJunJulAugSepOctNovDec
Castries383942495259504651514641
Wisconsin Dells656364666660525352636666
Difference+27+25+22+17+13+1+3+7+2+12+20+26
Jan – JunJanFebMarAprMayJun
Castries383942495259
Wisconsin Dells656364666660
Difference+27+25+22+17+13+1
Jul – DecJulAugSepOctNovDec
Castries504651514641
Wisconsin Dells525352636666
Difference+3+7+2+12+20+26
Relative humidity (%) Varies through the year
JanFebMarAprMayJunJulAugSepOctNovDec
Castries767575767779797979797977
Wisconsin Dells908880777778767574778289
Difference+15+13+6-1-3-4-4-2+3+12
Jan – JunJanFebMarAprMayJun
Castries767575767779
Wisconsin Dells908880777778
Difference+15+13+6-1
Jul – DecJulAugSepOctNovDec
Castries797979797977
Wisconsin Dells767574778289
Difference-3-4-4-2+3+12

How both climates are changing

Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Castries trends → · Wisconsin Dells trends →

Methodology & sources

Castries

Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

Precipitation — 1991–2020 normals computed from 10 years of daily observations at LE Lamentin, a weather station, about 66 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

Wisconsin Dells

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Baraboo Wwtp, a weather station, about 19 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →