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Woodway climate

Typical historical weather for Woodway, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

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WoodwayUnited States4:31 PM localChange location

Annual average

20.7°C

across all months

Warmest month

36°C

Aug average high

Coolest month

4.2°C

Jan average low

Annual rainfall

1004mm

total per year

Woodway is typically hottest in August and coolest in January, a swing of about 31.8°C across the year. About 39% of annual rainfall falls in the three wettest months (May is typically wettest, September driest).

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high Avg low Rainfall
MonthAvg highAvg lowRainfallWet daysHumidityWindCloudSolar
Jan15.3°C · record 20.8°C27.3°C4.2°C · record -10.1°C0.2°C58mm763%3.9 m/s47%3.1 kWh/m²
Feb17.5°C · record 25.6°C31.4°C6.4°C · record -15.7°C2.1°C70mm867%4.3 m/s56%3.5 kWh/m²
Mar22.9°C · record 28°C33.5°C11.8°C · record -4.9°C7.1°C81mm963%4.5 m/s55%4.7 kWh/m²
Apr25.5°C · record 30.1°C35°C14.6°C · record 3°C8.5°C121mm1166%4.5 m/s55%5.2 kWh/m²
May29.2°C · record 31.9°C37.1°C19.3°C · record 9.5°C16.3°C175mm1371%4 m/s59%5.6 kWh/m²
Jun33.6°C · record 36°C40.5°C23.6°C · record 15.3°C22.8°C72mm967%3.6 m/s47%6.6 kWh/m²
Jul35.8°C · record 36.9°C43.7°C25°C · record 17.6°C23.8°C61mm760%3.6 m/s49%6.7 kWh/m²
Aug36°C · record 36.8°C42.4°C25.1°C · record 20.1°C23.9°C79mm859%3.2 m/s44%6.2 kWh/m²
Sep32.8°C · record 35.9°C43°C21.8°C · record 10.6°C22.7°C55mm763%3 m/s41%5.3 kWh/m²
Oct27.9°C · record 32.7°C37.7°C15.8°C · record -0.3°C8.5°C99mm761%3.6 m/s36%4.3 kWh/m²
Nov21.4°C · record 27.6°C32.2°C10.3°C · record -3.9°C3.9°C66mm868%3.6 m/s49%3.1 kWh/m²
Dec17.7°C · record 24.2°C29°C6.9°C · record -10.9°C0.7°C67mm767%3.7 m/s52%2.6 kWh/m²

"Avg high"/"Avg low" is the mean daily high/low for that month, averaged across every year on file. The "record" figure alongside it is a different statistic — the single hottest (or coldest) hour ever recorded during that month across all years — so it can sit above or below the average and does not describe the average's year-to-year spread. A "wet day" is any day with at least 1.0mm of rain.

Year to year

Annual average temperature, 2016–2025.

20162018202020222024

Across these 10 years, the annual average has moved by about +0.5°C per decade. That’s a short window for a reliable long-term climate trend — treat it as indicative, not definitive.

Annual rainfall has moved by about -26.52mm per decade over the same period.

2025 (the most recent year on file) averaged 20.8°C, above the 9-year baseline of 20.7°C by 0.11 standard deviations.

Typical extremes per year

Rainy days

99.6 days

≥1.0mm rain

Heavy rain days

14.3 days

≥20mm rain

Extreme heat days

5.3 days

daily high ≥40°C

Frost days

13.9 days

daily low ≤0°C

Averaged across 10 years on file. Thresholds match PastClimate's data pipeline definitions — see data & sources.

Records on file

Ranked across 10 years of data currently on file (2016–2025).

Hottest day

43.7°C

23 July 2018

2018 was 1.17 SD below the 9-year average that year

Coldest day

-15.7°C

16 February 2021

2021 was 0.51 SD below the 9-year average that year

Wettest day

77.3mm

16 May 2020

2020 was 0.4 SD below the 9-year average that year

Windiest day

9.6m/s

4 March 2025

2025 was 0.11 SD above the 9-year average that year

See the detail: Woodway on 16 May 2020.

Frequently asked questions about Woodway's climate

What is the hottest month in Woodway?

August is typically the warmest month in Woodway, with an average high of 36°C. January is typically the coolest, averaging 4.2°C overnight.

How much does it rain in Woodway?

Woodway gets about 1004mm of rain a year on average, with roughly 39% of it falling in the three wettest months (May is typically the wettest, September the driest).

How many extremely hot or cold days does Woodway have?

On average, Woodway sees about 5.3 day(s) a year at or above 40°C and about 13.9 day(s) at or below 0°C, based on 10 years of data.

Is Woodway getting warmer?

Across the 10 years on file (2016–2025), the annual average temperature has moved by about +0.54°C per decade. That's a short window for a reliable long-term climate trend — treat it as indicative, not definitive.

What is the hottest day on record for Woodway?

The hottest day on file is 23 July 2018 at 43.7°C, out of 10 year(s) searched.

Data & provenance

↓ Download monthly CSV
Data source & coverage — ERA5 reanalysis, 2016–2025 (10 years)details
Source
ERA5 reanalysis, accessed via the Copernicus Climate Change Service (C3S) Climate Data Store
Data type
Reanalysis — a physically consistent reconstruction combining a forecast model with historical observations, not a live station reading or a forecast
Coverage
2016–2025 (10 years) for United States
Location
Woodway — 31.500°, -97.250°, ERA5 grid cell center, 4.3 km from requested point
Time zone
America/Chicago
What's shown here
Monthly and annual averages, and dated extreme-value records, derived from an hourly base record.
Spatial resolution
0.25° (~25 km) distributed grid — ERA5's native model resolution is finer; this is the publicly distributed regridded product
Version / refreshed
Methodology v2026.07 · data last refreshed December 31, 2025
Limitations
A model reconstruction, not a station observation — hyper-local extremes (a single storm cell, an urban heat pocket) can differ from a nearby gauge. See the full methodology.
Attribution
Generated using Copernicus Climate Change Service information

Cite this data

Plain text
PastClimate (2026-07-18). Historical climate data for Woodway, United States (31.50°N, 97.25°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
APA
PastClimate. (2026). Historical climate data for Woodway, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 18, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Woodway, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 18, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Woodway, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-18},
  url = {https://www.pastclimate.com/}
}

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