May
Other strong months: September and October
82/100 weather score
United States · 1991–2020
Best time to visit
Southwest Waterfront
For Southwest Waterfront, May has the most comfortable weather in our climate comparison. Typical daytime highs are 24.5°C, nights average 14.2°C, and rainfall totals about 100 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthMay
Typical daytime high24.5°C
Typical night-time low14.2°C
May rainfall100 mm
April
Other strong months: October and November
83/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
4 months fit your choices for Southwest Waterfront
January has the lowest comfort score at 5 out of 100, compared with May at 82. The main reason is that days reach only 6.9°C, 17° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Southwest Waterfront?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Southwest Waterfront?
May is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 24.5°C and 100 mm of rain.
What is the hottest month in Southwest Waterfront?
July is hottest in this record, with a typical daytime high of 31.7°C and a night-time low of 22.2°C.
Which month has the least rain?
February has the lowest monthly rainfall total at 66 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 6.9°C | -1.3°C | 73 mm | 7.3 | 9 h 43 | 5 | Strong coverage |
| February | 8.8°C | -0.3°C | 66 mm | 7.3 | 10 h 41 | 14 | Strong coverage |
| March | 13.4°C | 3.4°C | 89 mm | 8.7 | 11 h 50 | 32 | Strong coverage |
| April | 19.7°C | 8.8°C | 81 mm | 8.2 | 13 h 10 | 63 | Strong coverage |
| May | 24.5°C | 14.2°C | 100 mm | 9.1 | 14 h 16 | 82 | Strong coverage |
| June | 29.3°C | 19.4°C | 107 mm | 8.4 | 14 h 52 | 60 | Strong coverage |
| July | 31.7°C | 22.2°C | 110 mm | 8.3 | 14 h 38 | 46 | Strong coverage |
| August | 30.7°C | 21.4°C | 83 mm | 7 | 13 h 41 | 56 | Strong coverage |
| September | 26.8°C | 17.6°C | 100 mm | 6.9 | 12 h 24 | 73 | Strong coverage |
| October | 20.5°C | 10.9°C | 93 mm | 6.2 | 11 h 07 | 70 | Strong coverage |
| November | 14.3°C | 5.1°C | 74 mm | 6.3 | 10 h | 42 | Strong coverage |
| December | 9°C | 1.1°C | 87 mm | 8 | 9 h 27 | 14 | Strong coverage |
What has changed
Recent daytime highs are
1.1°C warmer in Southwest Waterfront.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+1.6
Feb
+2.3
Mar
+1.1
Apr
+1.2
May
+0.4
Jun
+0.7
Jul
+1.3
Aug
+0.6
Sep
+0.7
Oct
+0.8
Nov
+0.2
Dec
+2.0
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 26.7°C26 Jan 2024 | -20.6°C17 Jan 1982 | 57 mm9 Jan 2024 | 181 mm1978 · driest 8 mm in 1955 | 85 |
| February | 27.8°C28 Feb 1948 | -15.6°C2 Feb 1961 | 58 mm22 Feb 2003 | 177 mm2003 · driest 9 mm in 2009 | 85 |
| March | 31.7°C29 Mar 1945 | -11.7°C4 Mar 1943 | 58 mm13 Mar 1993 | 215 mm1994 · driest 1 mm in 2006 | 85 |
| April | 35.0°C17 Apr 2002 | -4.4°C7 Apr 1982 | 77 mm14 Apr 1970 | 175 mm1983 · driest 1 mm in 1985 | 85 |
| May | 37.2°C31 May 1991 | 1.1°C9 May 1947 | 82 mm5 May 1953 | 272 mm1953 · driest 19 mm in 1986 | 85 |
| June | 40.0°C29 Jun 2012 | 8.3°C11 Jun 1972 | 155 mm21 Jun 1972 | 356 mm2006 · driest 20 mm in 1941 | 86 |
| July | 40.6°C7 Jul 2012 | 12.2°C1 Jul 1988 | 119 mm9 Jul 1970 | 281 mm1945 · driest 24 mm in 1966 | 86 |
| August | 40.6°C17 Aug 1997 | 9.4°C29 Aug 1986 | 145 mm8 Aug 1942 | 364 mm1955 · driest 5 mm in 2025 | 85 |
| September | 38.3°C2 Sep 1980 | 3.9°C24 Sep 1963 | 121 mm16 Sep 1976 | 314 mm1975 · driest 3 mm in 2005 | 85 |
| October | 36.7°C2 Oct 2019 | -1.7°C24 Oct 1969 | 98 mm29 Oct 2012 | 239 mm2005 · driest 0 mm in 1963 | 85 |
| November | 30.0°C1 Nov 1974 | -8.9°C29 Nov 1955 | 78 mm8 Nov 1943 | 192 mm2018 · driest 7 mm in 1981 | 85 |
| December | 26.1°C7 Dec 1998 | -17.2°C21 Dec 1942 | 79 mm7 Dec 2011 | 172 mm2009 · driest 6 mm in 1955 | 85 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 20 | 2 | 3 |
| February | <1 | 0 | 16 | 2 | 3 |
| March | 1 | 0 | 8 | 3 | 1 |
| April | 6 | 1 | <1 | 3 | 0 |
| May | 15 | 5 | 0 | 4 | 0 |
| June | 26 | 15 | 0 | 3 | 0 |
| July | 30 | 23 | 0 | 4 | 0 |
| August | 30 | 20 | 0 | 3 | 0 |
| September | 21 | 7 | 0 | 3 | 0 |
| October | 6 | <1 | 0 | 3 | 0 |
| November | <1 | 0 | 4 | 3 | <1 |
| December | <1 | 0 | 13 | 3 | 1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 2% | 25% | 8% | 25% | 3.4–9.8°C |
| February | 3% | 26% | 9% | 27% | 4.7–11.6°C |
| March | 14% | 28% | 9% | 30% | 10.6–16.5°C |
| April | 38% | 26% | 9% | 28% | 17.3–22.2°C |
| May | 61% | 30% | 12% | 36% | 22.5–26.5°C |
| June | 74% | 26% | 10% | 27% | 27.3–30.7°C |
| July | 73% | 27% | 12% | 28% | 29.5–33.2°C |
| August | 77% | 23% | 10% | 22% | 28.7–31.8°C |
| September | 75% | 22% | 9% | 20% | 24.8–28.6°C |
| October | 48% | 19% | 8% | 17% | 18.7–22.7°C |
| November | 14% | 22% | 8% | 20% | 11.7–16.7°C |
| December | 2% | 24% | 10% | 24% | 5.0–11.5°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 13526900
- NOAA station
- USW00013743 · WASHINGTON REAGAN NATL AP
- Station distance
- 3.9 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 30 usable years
- Daylight
- Calculated from latitude 38.88°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Southwest Waterfront is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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