Climate · United States

Dubuque

Warm and damp from June to September; cold and mostly dry from December to February.

Typical weather, averaged over 30 years42.5°N180 m above the sea
  1. Jan33°1°15°-9°Rain on about two days a week.
  2. Feb35°2°16°-9°Rain on about two days a week.
  3. Mar48°9°28°-2°Rain on about two days a week.
  4. Apr62°17°40°4°Rain on about three days a week.
  5. May73°23°51°11°Rain on about three days a week.
  6. Jun83°28°62°17°Rain on about three days a week.
  7. Jul86°30°67°19°Rain on about two days a week.
  8. Aug85°29°66°19°Rain on about two days a week.
  9. Sep79°26°59°15°Rain on about two days a week.
  10. Oct67°19°48°9°Rain on about two days a week.
  11. Nov52°11°35°2°Rain on about two days a week.
  12. Dec38°3°22°-6°Rain on about two days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 83°F and nights near 63°F. From December to February, highs are nearer 35°F. The rain comes from April to June, on about three days a week. September to February is the driest stretch, with rain or snow on about two days a week. Daylight runs from about 9 hours in December to 15 hours in June.The warm season runs from June to September, with highs near 28°C and nights near 17°C. From December to February, highs are nearer 2°C. The rain comes from April to June, on about three days a week. September to February is the driest stretch, with rain or snow on about two days a week. Daylight runs from about 9 hours in December to 15 hours in June.

Where Dubuque sits

America/Chicago

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
42.5°Nnorthern hemisphere
Above the sea
180 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
7:30 AM7:01 AM7:17 AM6:23 AM5:42 AM5:24 AM5:38 AM6:09 AM6:41 AM7:14 AM6:53 AM7:25 AMsets 4:53 PMsets 5:33 PMsets 7:08 PMsets 7:43 PMsets 8:16 PMsets 8:41 PMsets 8:39 PMsets 8:06 PMsets 7:15 PMsets 6:22 PMsets 4:42 PMsets 4:30 PM
Nearest of ours
Chicago259 km east

The land around Dubuque, shaded by its typical high in January, the planning map's own layer.The land around Dubuque, shaded by its typical high in February, the planning map's own layer.The land around Dubuque, shaded by its typical high in March, the planning map's own layer.The land around Dubuque, shaded by its typical high in April, the planning map's own layer.The land around Dubuque, shaded by its typical high in May, the planning map's own layer.The land around Dubuque, shaded by its typical high in June, the planning map's own layer.The land around Dubuque, shaded by its typical high in July, the planning map's own layer.The land around Dubuque, shaded by its typical high in August, the planning map's own layer.The land around Dubuque, shaded by its typical high in September, the planning map's own layer.The land around Dubuque, shaded by its typical high in October, the planning map's own layer.The land around Dubuque, shaded by its typical high in November, the planning map's own layer.The land around Dubuque, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 33°F in January to 86°F in July.Highs from 1°C in January to 30°C in July.

Chance of a wet day

Wettest in June (43% of days), driest in February (24%).

Cloud cover

Clearest in September (35% cover), cloudiest in January (62%).

Daylight

From 9h 07m in December to 15h 15m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Dubuque, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryCool season
15°-9°33°1°
2 days62%9h 27m
FebruaryCool season
16°-9°35°2°
2 days59%10h 29m
March
28°-2°48°9°
2 days56%11h 51m
April
40°4°62°17°
3 days55%13h 20m
May
51°11°73°23°
3 days54%14h 36m
JuneWarm season
62°17°83°28°
3 days46%15h 15m
JulyWarm season
67°19°86°30°
2 days37%14h 56m
AugustWarm season
66°19°85°29°
2 days36%13h 50m
SeptemberWarm seasonAt its best
59°15°79°26°
2 days35%12h 24m
October
48°9°67°19°
2 days42%10h 56m
November
35°2°52°11°
2 days52%9h 42m
DecemberCool season
22°-6°38°3°
2 days60%9h 07m

When is the best time to visit Dubuque?


The best months are September: highs near 79°F, nights near 59°F, and rain on about two days a week.The best months are September: highs near 26°C, nights near 15°C, and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Dubuque?

July, with highs near 86°F and lows near 67°F. The coolest is January, with highs near 33°F.July, with highs near 30°C and lows near 19°C. The coolest is January, with highs near 1°C.

When does it rain most in Dubuque?

June, with rain on about three days a week. February is the driest, with rain on about two days a week.

How long are the days in Dubuque?

From about 9 hours in December to 15 hours in June.

When are the skies clearest in Dubuque?

September, when cloud covers about 35% of the sky on average. January is the cloudiest, at about 62%.

Places with a year like Dubuque's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Dubuque's through the year, one place a country. “Six months apart”: their winter is Dubuque's summer.

Elsewhere in United States

All of United States

Where to stay

1 in our collection

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Dubuque. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (180 m) against the climate model's (257 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (180 m) against the climate model's (257 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.