Dundalk
United States · 21 July 2017
Average
29.1°C
low 26.4° · high 31.9°
Rainfall
0.1mm
dry day
Wind
2m/s
daily average
Humidity
68.9%
daily average
Cloud
65%
cover
Pressure
1013hPa
daily average
The temperature ranged from 26.4°C around 06:00 to 31.9°C around 17:00. No measurable rain was recorded during the day.
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
77th percentile
Low temperature
95th percentile
Rainfall
44th percentile
Wind
16th percentile
A percentile of 100 means this was the hottest/wettest/windiest of the comparable days on file; 50 is right in the middle. This window's average temperature was 26.8°C, versus 29.1°C on this specific day.
Sun & daylight
Sunrise
05:56
Sunset
20:27
Day length
14h 31m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/New_York.
Cumulative rainfall through the day.
| Local time | UTC | Temp °C | Feels °C | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 04:00 | 27.9 | 31.6 | 0 | 2.9 | SW | 78 | 1013 |
| 01:00 | 05:00 | 27.5 | 30.7 | 0 | 3.1 | WSW | 77 | 1013 |
| 02:00 | 06:00 | 27.1 | 29.7 | 0 | 3.1 | W | 74 | 1013 |
| 03:00 | 07:00 | 26.9 | 29.5 | 0 | 3 | W | 74 | 1013 |
| 04:00 | 08:00 | 26.7 | 29.1 | 0 | 2.9 | WNW | 74 | 1012 |
| 05:00 | 09:00 | 26.4 | 28.7 | 0 | 3.1 | NW | 75 | 1013 |
| 06:00 | 10:00 | 26.4 | 28.9 | 0 | 2.7 | NW | 74 | 1013 |
| 07:00 | 11:00 | 26.6 | 29.4 | 0 | 2.5 | NW | 75 | 1014 |
| 08:00 | 12:00 | 27.4 | 30.7 | 0 | 2.3 | NW | 74 | 1014 |
| 09:00 | 13:00 | 28.2 | 31.6 | 0 | 2.5 | NNW | 73 | 1015 |
| 10:00 | 14:00 | 29.2 | 33 | 0 | 1.9 | N | 69 | 1014 |
| 11:00 | 15:00 | 30.6 | 34.3 | 0 | 1.1 | NE | 58 | 1014 |
| 12:00 | 16:00 | 31 | 34.9 | 0.01 | 0.8 | SE | 57 | 1014 |
| 13:00 | 17:00 | 31.2 | 34.9 | 0.03 | 1.2 | S | 57 | 1014 |
| 14:00 | 18:00 | 31.2 | 34.7 | 0.02 | 1.8 | S | 58 | 1014 |
| 15:00 | 19:00 | 31.7 | 35 | 0.02 | 2.3 | SSW | 59 | 1013 |
| 16:00 | 20:00 | 31.7 | 35.4 | 0 | 1.8 | SSW | 58 | 1013 |
| 17:00 | 21:00 | 31.9 | 35.7 | 0 | 1.3 | SSW | 57 | 1012 |
| 18:00 | 22:00 | 31.2 | 35.5 | 0 | 1.7 | SSW | 63 | 1012 |
| 19:00 | 23:00 | 30.5 | 35.5 | 0 | 1.3 | SSE | 69 | 1011 |
| 20:00 | 00:00 | 30 | 35 | 0 | 1.2 | S | 71 | 1012 |
| 21:00 | 01:00 | 29.5 | 34.2 | 0 | 1.4 | S | 72 | 1012 |
| 22:00 | 02:00 | 29.4 | 34.5 | 0 | 1.3 | SSE | 75 | 1012 |
| 23:00 | 03:00 | 28.6 | 34.3 | 0 | 1.3 | SE | 82 | 1012 |
Nearby cities
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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
- Dundalk — 39.250°, -76.500°, ERA5 grid cell center, 1.8 km from requested point
- Time zone
- America/New_York
- What's shown here
- The hourly and daily record for 21 July 2017 specifically — not a monthly average. See the Dundalk climate overview for typical conditions.
- 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
PastClimate (2026-07-17). Historical climate data for Dundalk, United States (39.25°N, 76.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Dundalk, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 17, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Dundalk, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 17, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Dundalk, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-17},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.