Cool
Average highs are around 14°C, so pack for cooler days.
Weather Guide
Dover, Delaware, United States Average Monthly Weather
Weather score46Mixed annual avg
Best months: August, July, June
Across the year, average daytime temperatures are around 19°C, sunshine averages 7h per day, and rainfall totals about 1103mm. Sea temperatures average 14°C across the year.
Annual weather
Annual averages
Temp
19°C
Rain
1103mm
Annual total
Sun
7h
Sea
14°C
Weather score
46
Mixed avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 83mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Dover, Delaware, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November14°C average high
November is on the cooler side of Dover's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
November83mm average rain
November sits on the drier side of Dover's year, which helps with sightseeing and transfers.
Driest monthsJanuary to July and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November5.4 hours average sun
November is below Dover's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November12°C average sea
November is close to Dover's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
Weather score
November28 weather score
November is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
