interpolate netcdf

interp.py

import xarray as xr

ds = xr.open_dataset('2mtemp_2021.nc')
ds = ds.resample(time='M').mean() #resample monthly

#bounds
min_lon = -128 
min_lat = 19
max_lon = -67
max_lat = 50
R = 0.05 #resolution

#create dummy dataset with the required resolution and bounds
lats = np.flip(np.arange(min_lat,max_lat,R)).astype('float32')
lons = np.arange(min_lon,max_lon,R).astype('float32')

ds_out = xr.Dataset({'latitude': (['latitude'],lats),
                     'longitude': (['longitude'],lons),})

#interpolate and assign
ds_interp = ds.interp_like(other=ds_out)
ds_interp = ds_interp.assign_coords({'latitude': (['latitude'],lats),
                                     'longitude': (['longitude'],lons),})